New records of fleas (Siphonaptera: Ctenophthalmidae: Rhopalopsyllidae and Stephanocircidae) from Argentinean Patagonia, with remarks on the morphology of Agastopsylla boxi and Tiarapsylla argentina

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Female. Holotype (CNIN 581): A, habitus, lateral view; B, head and mesosoma, dorsal view; C, mesosoma, lateral view; D, metasoma, dorsal view." ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Andrés Reséndiz-Flores, Juliano F. Nunes, Mario García-París, Alejandro Zaldívar-Riverón" "autores" => array:4 [ 0 => array:2 [ "nombre" => "Andrés" "apellidos" => "Reséndiz-Flores" ] 1 => array:2 [ "nombre" => "Juliano F." "apellidos" => "Nunes" ] 2 => array:2 [ "nombre" => "Mario" "apellidos" => "García-París" ] 3 => array:2 [ "nombre" => "Alejandro" "apellidos" => "Zaldívar-Riverón" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1870345314707675?idApp=UINPBA00004N" "url" => "/18703453/0000008500000002/v1_201501071639/S1870345314707675/v1_201501071639/en/main.assets" ] "itemAnterior" => array:18 [ "pii" => "S1870345314707651" "issn" => "18703453" "doi" => "10.7550/rmb.41466" "estado" => "S300" "fechaPublicacion" => "2014-06-01" "aid" => "70765" "copyright" => "Universidad Nacional Autónoma de México" "documento" => "article" "licencia" => "http://creativecommons.org/licenses/by-nc-nd/4.0/" "subdocumento" => "fla" "cita" => "Revista Mexicana de Biodiversidad. 2014;85:363-82" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:2 [ "total" => 1598 "formatos" => array:3 [ "EPUB" => 35 "HTML" => 1201 "PDF" => 362 ] ] "es" => array:12 [ "idiomaDefecto" => true "titulo" => "Revisión del género Pachylis con descripción de dos especies nuevas, sinonimias y datos de distribución (Hemiptera: Heteroptera: Coreidae: Nematopodini)" "tienePdf" => "es" "tieneTextoCompleto" => "es" "tieneResumen" => array:2 [ 0 => "es" 1 => "en" ] "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "363" "paginaFinal" => "382" ] ] "titulosAlternativos" => array:1 [ "en" => array:1 [ "titulo" => "Revision of the genus Pachylis with the description of two new species, synonymies, and distributional records (Hemiptera: Heteroptera: Coreidae: Nematopodini)" ] ] "contieneResumen" => array:2 [ "es" => true "en" => true ] "contieneTextoCompleto" => array:1 [ "es" => true ] "contienePdf" => array:1 [ "es" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0015" "etiqueta" => "Figuras 6–9" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 2493 "Ancho" => 1959 "Tamanyo" => 476174 ] ] "descripcion" => array:1 [ "es" => "Vista dorsal de Pachylis spp.; 6, P. pharaonis (Herbst); 7, P. tenuicornis Dallas; 8, P. furvus n. sp.; 9, P. peramplus n. sp." ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Harry Brailovsky, Israel Guerrero" "autores" => array:2 [ 0 => array:2 [ "nombre" => "Harry" "apellidos" => "Brailovsky" ] 1 => array:2 [ "nombre" => "Israel" "apellidos" => "Guerrero" ] ] ] ] ] "idiomaDefecto" => "es" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1870345314707651?idApp=UINPBA00004N" "url" => "/18703453/0000008500000002/v1_201501071639/S1870345314707651/v1_201501071639/es/main.assets" ] "en" => array:19 [ "idiomaDefecto" => true "titulo" => "New records of fleas (Siphonaptera: Ctenophthalmidae: Rhopalopsyllidae and Stephanocircidae) from Argentinean Patagonia, with remarks on the morphology of Agastopsylla boxi and Tiarapsylla argentina" "tieneTextoCompleto" => true "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "383" "paginaFinal" => "390" ] ] "autores" => array:1 [ 0 => array:3 [ "autoresLista" => "Juliana Sánchez, Marcela Lareschi" "autores" => array:2 [ 0 => array:3 [ "nombre" => "Juliana" "apellidos" => "Sánchez" "email" => array:1 [ 0 => "julianasanchez@cepave.edu.ar" ] ] 1 => array:2 [ "nombre" => "Marcela" "apellidos" => "Lareschi" ] ] "afiliaciones" => array:1 [ 0 => array:2 [ "entidad" => "Centro de Estudios Parasitológicos y de Vectores, Centro Científico Tecnológico La Plata, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata. Bv. 120 s/n e/ Av. 60 y calle 61, 1900 La Plata, Argentina." "identificador" => "aff0005" ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Nuevos registros de pulgas (Siphonaptera: Ctenophthalmidae: Rhopalopsyllidae y Stephanocircidae) de la Patagonia argentina, con comentarios sobre la morfología de Agastopsylla boxi y Tiarapsylla argentina" ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figures 3–4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 1386 "Ancho" => 973 "Tamanyo" => 170218 ] ] "descripcion" => array:1 [ "en" => "Tiarapsylla argentina, male: 3, general view of aedeagus (AE), fixed process (P) and movable process (F) of the clasper. 4, detail of aedeagus (AAR, aedeagal apodemal rod; AEA, aedeagal apodeme; APA, apical appendage; APS, apodemal strut; CR, crochet; CS, crecent sclerite; DLL, distolateral lobe; LL, lateral lobe; LSI, large basal sclerite; N, neck; PR, penis rod; SIT, sclerotized inner tube)." ] ] ] "textoCompleto" => "IntroductionFleas (Insecta: Siphonaptera) are hematophagous parasites exclusive of birds and mammals (<a class="elsevierStyleCrossRef" href="#bib0110">Marshall, 1981</a>). There are currently known about 2 120 species; approximately 80% of these are associated with mammalian hosts, with 74% parasitizing rodents (<a class="elsevierStyleCrossRef" href="#bib0160">Whiting et al., 2008</a>). This high percentage of Siphonaptera-rodent associations is observed in all regions of the world (<a class="elsevierStyleCrossRef" href="#bib0085">Krasnov, 2008</a>); in the Patagonian province (sensu<a class="elsevierStyleCrossRef" href="#bib0115">Morrone, 2006</a>), most of the host records refer to sigmodontine rodents (Cricetidae: Sigmodontinae) (<a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi, 1998</a>; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage, 2009</a>, <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>). Moreover, a high diversity of Siphonaptera are distributed in this area, with about 50% of all species known for Argentina<a name="p384"></a> (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage, 2009</a>, <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>; <a class="elsevierStyleCrossRef" href="#bib0140">Sánchez et al., 2009</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>). Several of these species have their type localities in Patagonia and 17 are endemic to it (<a class="elsevierStyleCrossRef" href="#bib0075">Johnson, 1957</a>; <a class="elsevierStyleCrossRef" href="#bib0145">Smit, 1987</a>; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage, 2009</a>; <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>). However, some of these are known only by holotype and for others there are no morphological studies after their original descriptions. In this context, the aim of this paper is to provide new morphological contributions for some species of fleas and renew the knowledge of the Siphonaptera of Patagonia, making known new records of geographical and host distribution for these parasites.Materials and methodsArgentinean Patagonia reaches a total length of about 2 500km and includes the political provinces of Neuquén, Rio Negro, Chubut, Santa Cruz and Tierra del Fuego (<a class="elsevierStyleCrossRef" href="#bib0130">Rabassa, 2008</a>). This biogeographic province presents a temperate to cold-temperate climate, with marked heterogeneity molded by combined influence of the latitudinal gradient of temperature, the west-east gradient of precipitation and strong westerly winds (<a class="elsevierStyleCrossRef" href="#bib0150">Soriano et al., 1983</a>; <a class="elsevierStyleCrossRef" href="#bib0120">Oesterheld et al., 1998</a>; <a class="elsevierStyleCrossRef" href="#bib0125">Paruelo et al., 1998</a>). These climatic factors are reflected in the characteristics of soils and vegetation, manifesting aridity as remarkable peculiarity of the area (<a class="elsevierStyleCrossRef" href="#bib0125">Paruelo et al., 1998</a>).Studied fleas were collected in 20 localities of Chubut and Santa Cruz. Hosts were identified as the following sigmodontine rodents (Cricetidae): Calomys musculinus (Thomas, 1913), Eligmodontia typus F. Cuvier, 1837, E. morgani J. A. Allen, 1901, Loxodontomys micropus (Waterhouse, 1837), Graomys griseoflavus (Waterhouse, 1837), Phyllotis xanthopygus (Watherhouse, 1837), Abrothrix longipilis (Waterhouse, 1837), A. olivacea (Waterhouse, 1837), Chelemys macronyx (Thomas, 1894), Akodon iniscatus Thomas, 1919, A. dolores Thomas, 1916, Reithrodon auritus (Fisher, 1814), and Euneomys chinchilloides (Waterhouse, 1839).Fleas were prepared following the conventional techniques (see <a class="elsevierStyleCrossRef" href="#bib0100">Lareschi et al., 2010</a>) and subsequently identified using a microscope equipped with a drawing tube. Fleas were drawn and photographed. For the taxonomic identifications we followed descriptions from <a class="elsevierStyleCrossRef" href="#bib0050">Hopkins and Rothschild (1953</a>, <a class="elsevierStyleCrossRef" href="#bib0055">1956</a>, <a class="elsevierStyleCrossRef" href="#bib0060">1962</a>, <a class="elsevierStyleCrossRef" href="#bib0065">1966</a>, <a class="elsevierStyleCrossRef" href="#bib0070">1971</a>), <a class="elsevierStyleCrossRef" href="#bib0075">Johnson (1957)</a> and <a class="elsevierStyleCrossRef" href="#bib0145">Smit (1987)</a>. We followed the classification of <a class="elsevierStyleCrossRef" href="#bib0160">Whiting et al. (2008)</a> for the higher taxa. Voucher specimens were deposited in the Colección de Entomología of the Museo de La Plata (MLP, La Plata, Buenos Aires, Argentina) and in the Anexo de la Colección de Mamíferos of the Centro Nacional Patagónico (CENPAT) (CNP, Puerto Madryn, Chubut, Argentina). At the moment, fleas hold a field number, which consists in the same field number of the hosts; for each individual flea of the same host a number was added, separated by a hyphen (e.g. PPA5-1; DUS494-3). Hosts were captured, processed and identified by Ulyses Pardiñas and his collaborator group (Centro Nacional Patagónico, Argentina); rodents will be deposited at the Colección de Mamíferos of the CENPAT (CNP, Puerto Madryn, Chubut, Argentina). Acronyms of field numbers for each specimen correspond to: PPA (Proyecto Patagonia Agencia), DUS (número de campo Daniel Udrizar Sauthier), and LTU (Proyecto Localidades Tipo).The studied specimens are listed below, indicating the number of each sex, field number, host species and locality. A brief report with comments on diagnostic characteristics, known host species, and geographical distribution is included. Moreover, we describe for the first time the aedeagus of some species, complementing their original descriptions.RedescriptionsFamily CtenophthalmidaeSubfamily CtenophthalminaeAgastopsylla boxi<a class="elsevierStyleCrossRef" href="#bib0080">Jordan and Rothschild, 1923</a><a class="elsevierStyleCrossRef" href="#fig0005">Figures 1, 2</a><elsevierMultimedia ident="fig0005"></elsevierMultimedia>Description of the aedeagusAedeagal apodeme (AEA) long, portion between apex of apodeme and well-developed proximal spur (PS) about 4 times longer than broad; with 2 long apodemal struts (APS), proximal strut wider than distal strut and with pointed extension, distal strut is conical and elongated. Crescent sclerite (CS) convex, relatively long and arranged around the proximal strut. Median dorsal lobe (MDL) strongly sclerotized in the center; apical region straight. Lateral lobe (LL) elongated, narrow and straight. Sclerotized inner tube (SIT) short and oblique, base wider and apex with shape almost pointed. Crochet of aedeagus (CR) apical, arranged around the inner tube, with dorso-distal rounded margin, about 3 times longer than broad. Wall of aedeagal pouch (PW) sclerotized, upper region wider and curved than lower region. Penis rod (PR) uncoiled, subequal to longer than aedeagal apodemal rod (AAR). Sclerotized vesicle (V) located above the apex of the penis rod.Taxonomic summaryType host and localityAbrothrix longipilis (Waterhouse, 1837); Leleque, Chubut, Argentina.Other known hostsRodents (<a class="elsevierStyleCrossRef" href="#bib0065">Hopkins and Rothschild, 1966</a>; <a class="elsevierStyleCrossRef" href="#bib0015">Beaucournu and Alcover, 1990</a>).Known geographical distributionSouthern Argentina and Chile (<a class="elsevierStyleCrossRef" href="#bib0025">Beaucournu and Gallardo, 1991</a>; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>).Material examinedChubut: ex E. chinchilloides, Cañadón de la Madera, Sierra de Tepuel (43°52'33” S, 70°42'40” W), 1 male (PPA39); ex E. morgani, Carhué Niyeu, (42°49'21” S, 68°23'56” W), 1 male (PPA270); ex R. auritus, 2 females (PPA254, 298); ex G. griseoflavus, Establecimiento Gorro Frigio (43°02'26” S, 69°19'55” W), 1 male (PPA257); ex A. iniscatus, Pico Salamanca (45°24'32” S, 67°24'58” W), 1 female (DUS746); ex L. micropus, 3 females (PPA15, 58, 70), 3 males (PPA81, 84, 90); ex P. xanthopygus, 3 females (PPA9, 53, 89); ex A. olivacea, Estancia El Maitén (42°03'34” S, 71°09'48” W), 1 male (DUS176); ex A. longipilis, Estancia Leleque, La Potrada (42°19'56” S, 70°59'00” W), 11 females (DUS125, 133, 136, 140–144, 148, 149, LTU148, 153). Santa Cruz: ex A. olivacea, Pali Aike, (50°06'30” S, 68°27'37” W), 2 males (LTU676, 678); Puerto Santa Cruz (51°56'09” S, 69°34'26” W), 1 male (LTU642).RemarksAgastopsylla is separated from all other genera of Ctenophthalminae by the reduction in the size and pigmentation of the setae of the genal comb (<a class="elsevierStyleCrossRef" href="#bib0065">Hopkins and Rothschild, 1966</a>). This genus is comprised of 4 species: A. boxi, A. pearsoni Traub, 1952, A. nylota Traub, 1952, and A. hirsutor Traub, 1952. In this study we describe the morphology of the aedeagus of A. boxi, unknown until now, and we include new diagnostic characters. Based on this description it can be observed that A. boxi shares with A. nylota the length of crochet and aedeagal apodeme, and with A. pearsoni the shape of the crescent sclerite. Agastopsylla boxi is unique for the following characters: shape of the apical region of dorsal lobe, which is straight; and shape of the ventral margin of the sclerotized inner tube, having a subtriangular projection.Two subspecies have been recognized in the literature: A. boxi boxi<a class="elsevierStyleCrossRef" href="#bib0080">Jordan and Rothschild, 1923</a> and A. boxi gibbosa<a class="elsevierStyleCrossRef" href="#bib0015">Beaucournu and Alcover, 1990</a>. Specimens examined in the present study fit the description provided for A. b. boxi. However, since A. b. gibbosa is only known by the shape of sternite IX of the male and the female is unknown (<a class="elsevierStyleCrossRef" href="#bib0015">Beaucournu and Alcover, 1990</a>), and moreover occur in sympatry with A. b. boxi, we consider that probably both names are synonyms.The present finding of A. boxi in Puerto Santa Cruz, Santa Cruz (51°56'09” S; 69°34'26” W) extends its geographic range southward ca. 500km. Known hosts are rodents mainly of the genus Abrothrix (<a class="elsevierStyleCrossRef" href="#bib0065">Hopkins and Rothschild, 1966</a>; <a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi, 1998</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>). In this study, rodents A. iniscatus, E. morgani, E. chichilloides, L. micropus, P. xanthopygus and R. auritus are included as new hosts for this flea.Family StephanocircidaeSubfamily CraneopsyllinaeTiarapsylla argentina Jordan, 1942<a class="elsevierStyleCrossRef" href="#fig0010">Figures 3, 4</a><elsevierMultimedia ident="fig0010"></elsevierMultimedia>Description of aedeagusAedeagal apodeme (AEA) long and spatulate; anterior region broad and with margin strongly rounded; middle region reduced forming the neck (N). Apical appendage (APA) short and narrow. Apodemal strut (APS) small. Crecent sclerite (CS) convex and short, arranged around the proximal strut. Median dorsal lobe (MDL) vestigial. Distolateral lobe (DLL) small. Sclerotized inner tube (SIT) short, straight and narrow; sclerite lateral of inner tube (LSI) large and basal. Crochet of aedeagus (CR) apical, completely joined to the dorsal margin of lateral lobe (LL) and extending dorsally over of distolateral lobe. Aedeagal apodemal rod (AAR) longer<a name="p386"></a> than aedeagal apodeme and shorter than penis rod (PR), both lightly curved at the tip without reaching rolled.Taxonomic summaryType host and localityCtenomys mendocinus Phillipi, 1869; San Rafael, Mendoza (<a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi, 1998</a>).Other known hostsRodents (<a class="elsevierStyleCrossRef" href="#bib0030">Beaucournu and Kelt, 1990</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>).Known geographical distributionArgentina (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>).Material examinedChubut: ex R. auritus, Carhué Niyeu (42°49'21” S; 68°23'56” W), 2 females (PPA254–1, 2), 2 males (PPA275–1, 2).RemarksTiarapsylla differs from all the other genera of Craneopsyllinae by the prectenidial part of the frons not being conspicuously broader either subdorsally or in the middle and because the dorsal portion of the suture that divides the helmet from the rest of the head is well developed, but the ventral part is conspicuous or poorly developed (<a class="elsevierStyleCrossRef" href="#bib0075">Johnson, 1957</a>). Tiarapsylla includes 3 species distributed in the Andean region: T. titschacki Wagner, 1937 and T. bella Johnson, 1956 occurring in Peru; and T. argentina, endemic to Argentina, distributed in Mendoza and La Pampa (<a class="elsevierStyleCrossRef" href="#bib0075">Johnson, 1957</a>; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>). Morphological characters of the specimens of T. argentina identified in this study are consistent with the original description of the species, among them the helmet comb is straight; the abdominal segments have a single row of setae; in the female, the bulga of the spermatheca is globular; in the male, the fixed process of the clasper has many setae and the movable process of the clasper has a short and narrow tip. In this study, so as to complement the description of the male of T. argentina we describe the morphology of aedeagus, so far unknown and are included as a new character of diagnostic value. Furthermore, the finding of T. argentina in Chubut is the first record of the species in Patagonia and extends its geographic range ca. 600 km from La Pampa, the southernmost known record. Moreover, known hosts for T. argentina are rodents mainly of genus Ctenomys (Ctenomyidae) (<a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi, 1998</a>). In this study it was found parasitizing R. auritus, representing a new host association.Sphinctopsylla ares (Rothschild, 1911)Taxonomic summaryType host and localityAbrothrix olivacea (Waterhouse, 1837); Cautín, Chile.Other known hostsRodents and marsupials (<a class="elsevierStyleCrossRef" href="#bib0055">Hopkins and Rothschild, 1956</a>; <a class="elsevierStyleCrossRef" href="#bib0005">Alarcón, 2003</a>).Known geographical distributionSouthern Argentina and Chile (<a class="elsevierStyleCrossRef" href="#bib0005">Alarcón, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>).Material examinedChubut: ex A. olivacea, cañadón de la Madera, sierra de Tepuel (43°52'33”S; 70°42'40” W), 1 female (PPA21-1), 1 male (PPA21-2); ex A. longipilis, Estancia Leleque, La Potrada (42°19'56” S; 70°59'00” W), 1 female (DUS163); ex P. xanthopygus 1 km E Lago Blanco (45°55'33” S; 71°14'58” W), 1 male (LTU145). Santa Cruz: ex A. olivacea, Pali Aike (50°06'30” S; 68°27'37” W), 1 female (LTU666).RemarksSphinctopsylla includes 6 species, 2 of these present in Argentina and only distributed in Patagonia: S. ares and S. mars (Rothschild, 1898) (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>). The finding of S. ares in this study is the first record of the species for Chubut; however, its occurrence in this province was expected, since it is a common species within the geographic range which comprises the southern province of Magallanes, in Chile and the provinces of Neuquén, Río Negro and Santa Cruz, in Argentina (<a class="elsevierStyleCrossRef" href="#bib0035">Hastriter et al., 2001</a>; <a class="elsevierStyleCrossRef" href="#bib0005">Alarcón, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0140">Sánchez et al., 2009</a>; <a name="p237"></a><a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>). Furthermore, the known hosts of S. ares are rodents and marsupials (<a class="elsevierStyleCrossRef" href="#bib0055">Hopkins and Rothschild, 1956</a>; <a class="elsevierStyleCrossRef" href="#bib0005">Alarcón, 2003</a>). In this study it was found parasitizing rodents of the genera Abrothrix and Phyllotis, previously mentioned in the literature (<a class="elsevierStyleCrossRef" href="#bib0055">Hopkins and Rothschild, 1956</a>; <a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi, 1998</a>; <a class="elsevierStyleCrossRef" href="#bib0005">Alarcón, 2003</a>).Craneopsylla minerva Rothschild, 1903Taxonomic summaryType host and localityDidelphys azarae Temminck, 1824; Sapucay, Paraguay.Other known hostsRodents (<a class="elsevierStyleCrossRef" href="#bib0075">Johnson, 1957</a>; <a class="elsevierStyleCrossRef" href="#bib0140">Sánchez et al., 2009</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>).Known geographical distributionArgentina, Brazil, Chile, Paraguay and Peru (<a class="elsevierStyleCrossRef" href="#bib0075">Johnson, 1957</a>).Material examinedChubut: ex A. iniscatus, Cabo Raso (44°20'23” S; 65°14'59” W), 2 females (DUS551, 553); ex C. musculinus, 1 male (DUS560), 1 female (DUS575); ex R. auritus, Carhué Niyeu (42°49'21” S; 68°23'56” W), 1 female (PPA275); ex A. longipilis, 1 female (PPA286); ex A. dolores, Estancia Los Nogales (42°39'05” S; 67°03'37” W), 1 female (DUS761); ex G. griseoflavus, Isla Escondida (43°39'18” S; 65°20'05” W), 1 male (DUS529); ex A. longipilis, 1 km E Lago Blanco (45°55'33” S; 71°14'58” W), 1 female (LTU155); ex A. iniscatus, Bahía Cracker (42°57'02” S; 64°28'40” W), 1 male (DUS464); ex E. typus, Puerto Lobos (42°00'03” S; 65°04'19” W), 1 female (PNG12); ex R. auritus, Puerto Piojo (44°53'00” S; 65°40'19” W), 1 female (DUS644). Remarks. Craneopsylla is a monotypic genus including the species C. minerva. Two subspecies have been mentioned in the literature: C. minerva minerva (Rothschild, 1903) and C. m. wolffhuegeli (Rothschild, 1909), defined only by the number of setae in the genal comb (<a class="elsevierStyleCrossRef" href="#bib0075">Johnson, 1957</a>). Specimens identified in this study are consistent with the original description of C. m. wolffhuegeli (Rothschild, 1909). However, we consider that diagnostic characteristics for subspecies are very weak. Thus, at the moment, we prefer to consider them as synonyms.In Argentina, C. minerva is widely distributed, including Patagonia (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0140">Sánchez et al., 2009</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>); however, the present finding of C. minerva in Chubut represents the first mention of the genus for the province. In this study, C. minerva was found parasitizing previously known hosts.Family RhopalopsyllidaeSubfamily RhopalopsyllinaePolygenis (Polygenis) platensis (Jordan and Rothschild, 1908)Taxonomic summaryType host and localityCtenomys talarum Thomas, 1898; La Plata, Buenos Aires, Argentina.Other known hostsRodents, marsupials and xenarthrans (<a class="elsevierStyleCrossRef" href="#bib0145">Smit, 1987</a>; <a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi, 2009</a>).Known geographical distributionBolivia, Chile, Uruguay, Brazil and Argentina (<a class="elsevierStyleCrossRef" href="#bib0145">Smit, 1987</a>; <a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimarães, 2000</a>; <a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi, 2009</a>).Material examinedChubut: ex A. iniscatus, Cabo Raso (44°20'23” S; 65°14'59” W), 3 females (DUS551-2, 554), ex R. auritus, 1 male (DUS566); ex A. olivacea, Pico Salamanca (45°24'32” S; 67°24'58” W), 1 female (DUS670); ex A. iniscatus, Puerto Lobos (42°00'03” S; 65°04'19” W), 1 female (DUS450); ex E. typus, Puerto Piojo (44°53'00” S; 65°40'19” W), 1 female (DUS618), 1 male (DUS633), ex G. griseoflavus 2 females (DUS588-1, 613), 2 males (DUS589, 591), ex R. auritus, 1 female (DUS644-1), 1 male (DUS655).RemarksWithin Rhopalopsyllidae, Polygenis includes the largest number of species and subspecies (about 50) (<a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimarães, 2000</a>). Polygenis in Argentina is represented by 14 species and subspecies, mainly distributed in Buenos Aires and only 3 distributed in Patagonia (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>). Within the genus, P. (P.) platensis is distributed in southern South America, with a higher occurrence in Argentina and Uruguay (<a class="elsevierStyleCrossRef" href="#bib0145">Smit, 1987</a>; <a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimarães, 2000</a>; <a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi, 2009</a>). For Patagonia, P. (P.) platensis was registered only for Río Negro and Santa Cruz (<a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi, 2009</a>), thus, this finding represents the first mention for Chubut. In this study, the rodent species A. iniscatus, R. auritus, A. olivacea and E. typus are included as new hosts for this flea.Polygenis (Polygenis) rimatus (Jordan, 1932)Taxonomic summaryType host and localityDidelphis sp.; Sapucay, Paraguay.Other known hostsRodents and marsupials (<a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimarães, 2000</a>; <a class="elsevierStyleCrossRef" href="#bib0090">Lareschi and Linardi, 2005</a>).Known geographical distributionParaguay, Peru, Brazil and Argentina (<a class="elsevierStyleCrossRef" href="#bib0145">Smit, 1987</a>; <a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimarães, 2000</a>; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>).Material examinedChubut: ex A. iniscatus, Bahía Cracker (42°57'02” S; 64°28'40” W), 3 males (DUS461-1, 461-2, 464), 2 females (DUS461-1, 2); ex A. iniscatus, Bajo los Huesos (43°11'42” S; 64°51'52” W), 1 female (DUS509); ex A. dolores, Puerto Lobos (42°00'03” S; 65°04'19” W), 1 male (DUS451), 1 female (DUS451); ex A. iniscatus, 2 females (DUS439-2, 449); ex G. griseoflavus, 1 male (DUS443).RemarksPolygenis (P.) rimatus is distributed mostly in Brazil and Argentina (<a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimarães, 2000</a>; <a class="elsevierStyleCrossRef" href="#bib0090">Lareschi and Linardi, 2005</a>). For Patagonia, P. (P.) rimatus had been mentioned only for Neuquén (<a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>). This finding represents the first record for Chubut and extends its known geographical<a name="p388"></a> distribution ca. 700km from its southern most known record (Neuquén City, 38°54'42” S; 68°03'57” W). In this study, A. iniscatus and G. griseoflavus are included as new hosts for this flea.Subfamily ParapsyllinaeEctinorus (Ectinorus) ixanus (Jordan, 1942)Taxonomic summaryType host and localityMicrocavia australis (I. Geoffroy Saint-Hilaire and d'Orbigny, 1833); San Rafael, Mendoza, Argentina.Other known hostsRodents and canids (Beacournu and Kelt, 1990; <a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi, 1998</a>).Known geographical distributionChile and Argentina (<a class="elsevierStyleCrossRef" href="#bib0025">Beaucournu and Gallardo, 1991</a>; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>).Material examinedChubut: ex E. morgani, Cabaña Arroyo Pescado, (43°01'31” S; 70°47'34” W), 1 male (DUS111); ex A. olivacea, Cañadón de la Madera, Sierra de Tepuel (43°52'33” S; 70°42'40” W), 1 female (PPA26); ex E. typus, Caolinera Dique Ameghino (43°40'48” S; 66°25'57” W), 1 male (DUS383); ex E. morgani, Establecimiento El Capricho, Cushamen (42°09'21” S; 70°40'51” W), 1 female (DUS200); ex G. griseoflavus, Establecimiento Gorro Frigio (43°02'26” S; 69°19'55” W), 1 female (DUS256), ex A. longipilis, 1 female (LTU156); ex R. auritus, Laguna de Aleusco (43°10'17” S; 70°26'20” W), 1 female (PPA112); ex P. xanthopygus, 1 female (PPA113). Santa Cruz: ex A. olivacea, Pali Aike, (50°06'30” S; 68°27'37” W), 3 females (LTU671, 676, 683); Puerto Santa Cruz (51°56'09” S; 69°34'26” W), 3 males (LTU650, 658–659), 3 females (LTU651, 656, 661).RemarksEctinorus is represented by 39 species and subspecies distributed in Bolivia, Peru, Chile and Argentina, 10 with records for Patagonia (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage, 2009</a>, <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>). The genus includes 3 subgenera: Panallius, Ichyonus, and Ectinorus (<a class="elsevierStyleCrossRef" href="#bib0045">Hastriter and Sage, 2011</a>). Ectinorus (E.) ixanus in Argentina has been registered in Mendoza and Chubut (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>), comprising the present findings for Santa Cruz as new geographical distribution records. Also, the locality Pali Aike (50°06'30” S; 68°27'37” W), close to the Magellanic Strait, is the southernmost limit of its geographical distribution. Rodent species, E. morgani, E. typus, G. griseoflavus and P. xanthopygus are new hosts for this flea species.Ectinorus (Ectinorus) hapalus (Jordan, 1942)Taxonomic summaryType host and localityGraomys griseoflavus Waterhouse, 1837; Santa Rosa, Mendoza, Argentina.Other known hostAkodon azarae (<a class="elsevierStyleCrossRef" href="#bib0145">Smit, 1987</a>).Known geographical distributionArgentina (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>).Material examinedChubut: ex A. olivacea, Estancia El Maitén, (42°03'34” S; 71°09'48” W), 1 female (DUS176); A. longipilis, 1 female (DUS135). Santa Cruz: ex A. olivacea, Pali Aike, (50°06'30” S; 68°27'37” W), 2 females (LTU671, 677); Puerto Santa Cruz (51°56'09” S; 69°34'26” W), 2 females (LTU643, 648), 2 males (LTU650, 661).RemarksEctinorus (E.) hapalus is endemic to Argentina (<a class="elsevierStyleCrossRef" href="#bib0145">Smit, 1987</a>) and its distribution comprises Mendoza, San Luis, Buenos Aires and Neuquén (<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro, 2003</a>; <a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>). In this work were identified specimens from Chubut and Santa Cruz, representing the first mention of the species for both provinces. This record from Puerto Santa Cruz, Santa Cruz (51°56'09” S; 69°34'26” W) extends the known geographical distribution ca.1000 km from its southernmost known record (Domuyo, Neuquén; 36°40'54.0” S; 70°3'44.2” W). Furthermore, A. olivacea and A. longipilis are new hosts for this flea.DiscussionFor many species of Siphonaptera, the studies of the morphology of aedeagus have been careless for several reasons. In general, some characters cannot be easily observed, others were not considered appropriate for taxonomic purposes. <a class="elsevierStyleCrossRef" href="#bib0155">Traub (1950)</a> studied comparatively the morphology of the aedeagus in several genera and families of Siphonaptera from Central America and Mexico, describing new species and reallocating 2 genera into another family, demonstrating the importance of aedeagus in the taxonomic classification of species and higher taxa. In this study we describe for the first time the aedeagus of A. boxi and T. argentina, supplementing the description known for males of these fleas, and allowing future comparisons of this morphological structure among their congeners.Present results contribute to the extension of the geographical and host distributional range of several flea species. Among them, T. argentina is mentioned for the first time for Patagonia. Craneopsylla minerva, S. ares, P. (P.) platensis, P. (P.) rimatus and E. (E.) hapalus are listed for the first time in Chubut. Polygenis (P.) rimatus and E. (E.) hapalus were cited previously for northern Patagonian (<a class="elsevierStyleCrossRef" href="#bib0135">Sánchez and Lareschi, 2013</a>), thus extending their distribution record to the south. Similarly, A. boxi, E. (E.) ixanus and E. (E.) hapalus are registered for the first time in Santa Cruz, expanding the southernmost limit of their geographical distribution. These new records extend the known list of Siphonaptera parasites of sigmodontine rodents for Chubut to 18 species and subspecies, 10 for<a name="p389"></a> Santa Cruz, 57 for Argentinean Patagonia and 82 for Argentina. Besides, 19 parasite-host associations are reported for the first time. The new geographical and host records provided in this study contribute to the knowledge of the biodiversity in Patagonia. Moreover, considering the potential medical and veterinary significance of Siphonaptera and the value of sigmodontine rodents as hosts of these parasites in Patagonia, the results reported will be relevant in epidemiological studies." "textoCompletoSecciones" => array:1 [ "secciones" => array:10 [ 0 => array:2 [ "identificador" => "xres406735" "titulo" => "Abstract" ] 1 => array:2 [ "identificador" => "xpalclavsec382956" "titulo" => "Key words" ] 2 => array:2 [ "identificador" => "xres406736" "titulo" => "Resumen" ] 3 => array:2 [ "identificador" => "xpalclavsec382955" "titulo" => "Palabras clave" ] 4 => array:2 [ "identificador" => "sec0005" "titulo" => "Introduction" ] 5 => array:2 [ "identificador" => "sec0010" "titulo" => "Materials and methods" ] 6 => array:3 [ "identificador" => "sec0015" "titulo" => "Redescriptions" "secciones" => array:9 [ 0 => array:2 [ "identificador" => "sec0020" "secciones" => array:1 [ 0 => array:2 [ "identificador" => "sec0025" "titulo" => "Description of the aedeagus" ] ] ] 1 => array:3 [ "identificador" => "sec0030" "titulo" => "Taxonomic summary" "secciones" => array:6 [ 0 => array:2 [ "identificador" => "sec0035" "titulo" => "Type host and locality" ] 1 => array:2 [ "identificador" 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=> array:1 [ "titulo" => "Lietrature cited" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2013-08-23" "fechaAceptado" => "2013-11-19" "PalabrasClave" => array:2 [ "en" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Key words" "identificador" => "xpalclavsec382956" "palabras" => array:6 [ 0 => "ectoparasites" 1 => "aedeagus" 2 => "distribution" 3 => "Sigmodontinae" 4 => "Chubut" 5 => "Santa Cruz" ] ] ] "es" => array:1 [ 0 => array:4 [ "clase" => "keyword" "titulo" => "Palabras clave" "identificador" => "xpalclavsec382955" "palabras" => array:6 [ 0 => "ectoparásitos" 1 => "aedeagus" 2 => "distribución" 3 => "Sigmodontinae" 4 => "Chubut" 5 => "Santa Cruz" ] ] ] ] "tieneResumen" => true "resumen" => array:2 [ "en" => array:2 [ "titulo" => "Abstract" "resumen" => "A high diversity of fleas parasitizing sigmodontine rodents has been mentioned for Patagonia. Several of these fleas have been described having their type localities in the region, including several endemic taxa. For many species, however, the original descriptions are brief and there are no new morphological contributions. In the present study we report 8 species of fleas (Ctenophthalmidae, Rhopalopsyllidae and Stephanocircidae) parasitizing sigmodontine rodents from Argentinean Patagonia. Nineteen new parasite–host associations are reported and all studied fleas extend their known geographic range. Among them, Tiarapsylla argentina is mentioned for the first time for Patagonia; Craneopsylla minerva, Sphinctopsylla ares, Polygenis (P.) platensis and Polygenis (P.) rimatus are registered for the first time for Chubut, and Agastopsylla boxi, Ectinorus (E.) ixanus and Ectinorus (E.) hapalus for Santa Cruz, extending the southernmost limit of their geographical distribution. Also, for A. boxi and T. argentina we describe the morphology of the aedeagus, so far unknown. Results extend the morphological information of fleas and contribute to the knowledge of Patagonian biodiversity." ] "es" => array:2 [ "titulo" => "Resumen" "resumen" => "Para la Patagonia se ha mencionado una gran diversidad de pulgas parásitas de roedores sigmodontinos. Varias de estas pulgas se han descrito con localidad tipo en la región, incluyendo varios taxones endémicos. Sin embargo, para muchas especies las descripciones originales son breves y no existen nuevos aportes morfológicos. En el presente estudio se registran 8 especies de pulgas (Ctenophthalmidae, Rhopalopsyllidae y Stephanocircidae) parasitando roedores sigmodontinos de la Patagonia argentina. Se reportan 19 asociaciones parásito-huésped nuevas, además, todas las pulgas estudiadas extienden su distribución geográfica conocida. Entre ellas, Tiarapsylla argentina se menciona por primera vez para la Patagonia; Craneopsylla minerva, Sphinctopsylla ares, Polygenis (P.) rimatus y Polygenis (P.) platensis se registran por primera vez para la provincia del Chubut y Agastopsylla boxi, Ectinorus (E.) ixanus y Ectinorus (E.) hapalus para la provincia de Santa Cruz, ampliando el límite sur de su distribución geográfica conocida. Además, se describe la morfología del aedeagus de A. boxi y T. argentina, desconocida hasta el momento. Estos resultados amplían la información morfológica de las pulgas y contribuyen al conocimiento de la biodiversidad patagónica." ] ] "multimedia" => array:2 [ 0 => array:7 [ "identificador" => "fig0005" "etiqueta" => "Figures 1–2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1419 "Ancho" => 972 "Tamanyo" => 159541 ] ] "descripcion" => array:1 [ "en" => "<a name="p385"></a>Agastopsylla boxi, male: 1, general view of aedeagus (AE), fixed process (P), movable process (F) of the clasper, and sternite IX (StIX). 2, detail of aedeagus (AAR, aedeagal apodemal rod; AEA, aedeagal apodeme; APS, apodemal strut; CR, crochet; CS, crecent sclerite; LL, lateral lobe; MDL, median dorsal lobe; PR, penis rod; PS, proximal spurs; PW, wall of aedeagal pouch; SIT, sclerotized inner tube; V, sclerotized vesicle)." ] ] 1 => array:7 [ "identificador" => "fig0010" "etiqueta" => "Figures 3–4" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 1386 "Ancho" => 973 "Tamanyo" => 170218 ] ] "descripcion" => array:1 [ "en" => "Tiarapsylla argentina, male: 3, general view of aedeagus (AE), fixed process (P) and movable process (F) of the clasper. 4, detail of aedeagus (AAR, aedeagal apodemal rod; AEA, aedeagal apodeme; APA, apical appendage; APS, apodemal strut; CR, crochet; CS, crecent sclerite; DLL, distolateral lobe; LL, lateral lobe; LSI, large basal sclerite; N, neck; PR, penis rod; SIT, sclerotized inner tube)." ] ] ] "bibliografia" => array:2 [ "titulo" => "Lietrature cited" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:32 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "Alarcón, 2003" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:1 [ "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:1 [ 0 => "M.E. 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A morphological study of the aedeagus with descriptions of new genera and species" "fecha" => "1950" "paginaInicial" => "252" "editorial" => "Fieldiana" "editorialLocalizacion" => "Zoology Memoirs" ] ] ] ] ] ] 31 => array:3 [ "identificador" => "bib0160" "etiqueta" => "Whiting et al., 2008" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "A molecular phylogeny of fleas (Insecta: Siphonaptera): Origins and host associations" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:4 [ 0 => "M.F. Whiting" 1 => "A.S. Whiting" 2 => "M.W. Hastriter" 3 => "K. Dittmar" ] ] ] ] ] "host" => array:1 [ 0 => array:1 [ "Revista" => array:5 [ "tituloSerie" => "Cladistics" "fecha" => "2008" "volumen" => "24" "paginaInicial" => "1" "paginaFinal" => "31" ] ] ] ] ] ] ] ] ] ] "agradecimientos" => array:1 [ 0 => array:4 [ "identificador" => "xack119051" "titulo" => "Acknowledgments" "texto" => "This information is part of the doctoral thesis of J. Sánchez, carried out at the Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Argentina. We thank Ulyses Pardiñas (Cenpat) and his team for capturing and identifying the rodents, as well as for collecting their fleas; María Cristina Estivariz (Cepave) for the drawings and Luis Giambelluca (Cepave) for the photographs. Field work was supported by the PIP-Conicet 6179 and the Agencia Nacional de Promoción Científica y Tecnológica (PICT 2008-0547) (both to U. Pardiñas). Research at the laboratory was funded by Universidad Nacional de La Plata, Argentina (N618), and Agencia Nacional de Promoción Científica y Tecnológica, Argentina (PICT 2010–0338) (to ML). J. Sánchez and M. Lareschi are members of the Consejo Nacional de Investigaciones Científicas y Tecnológicas, Argentina." "vista" => "all" ] ] ] "idiomaDefecto" => "en" "url" => "/18703453/0000008500000002/v1_201501071639/S1870345314707663/v1_201501071639/en/main.assets" "Apartado" => null "PDF" => "https://static.elsevier.es/multimedia/18703453/0000008500000002/v1_201501071639/S1870345314707663/v1_201501071639/en/main.pdf?idApp=UINPBA00004N&text.app=https://www.elsevier.es/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1870345314707663?idApp=UINPBA00004N"]

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Nuevos registros de pulgas (Siphonaptera: Ctenophthalmidae: Rhopalopsyllidae y Stephanocircidae) de la Patagonia argentina, con comentarios sobre la morfología de Agastopsylla boxi y Tiarapsylla argentina

Juliana Sánchez, Marcela Lareschi

Centro de Estudios Parasitológicos y de Vectores, Centro Científico Tecnológico La Plata, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata. Bv. 120 s/n e/ Av. 60 y calle 61, 1900 La Plata, Argentina.

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2006</a>&#41;&#44; most of the host records refer to sigmodontine rodents &#40;Cricetidae&#58; Sigmodontinae&#41; &#40;<a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi&#44; 1998</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage&#44; 2009</a>&#44; <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46; Moreover&#44; a high diversity of Siphonaptera are distributed in this area&#44; with about 50&#37; of all species known for Argentina<a name="p384"></a> &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage&#44; 2009</a>&#44; <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0140">S&#225;nchez et al&#46;&#44; 2009</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46; Several of these species have their type localities in Patagonia and 17 are endemic to it &#40;<a class="elsevierStyleCrossRef" href="#bib0075">Johnson&#44; 1957</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0145">Smit&#44; 1987</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage&#44; 2009</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>&#41;&#46; However&#44; some of these are known only by holotype and for others there are no morphological studies after their original descriptions&#46; In this context&#44; the aim of this paper is to provide new morphological contributions for some species of fleas and renew the knowledge of the Siphonaptera of Patagonia&#44; making known new records of geographical and host distribution for these parasites&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0030">Materials and methods</span><p id="par0010" class="elsevierStylePara elsevierViewall">Argentinean Patagonia reaches a total length of about 2 500<span class="elsevierStyleHsp" style=""></span>km and includes the political provinces of Neuqu&#233;n&#44; Rio Negro&#44; Chubut&#44; Santa Cruz and Tierra del Fuego &#40;<a class="elsevierStyleCrossRef" href="#bib0130">Rabassa&#44; 2008</a>&#41;&#46; This biogeographic province presents a temperate to cold-temperate climate&#44; with marked heterogeneity molded by combined influence of the latitudinal gradient of temperature&#44; the west-east gradient of precipitation and strong westerly winds &#40;<a class="elsevierStyleCrossRef" href="#bib0150">Soriano et al&#46;&#44; 1983</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0120">Oesterheld et al&#46;&#44; 1998</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0125">Paruelo et al&#46;&#44; 1998</a>&#41;&#46; These climatic factors are reflected in the characteristics of soils and vegetation&#44; manifesting aridity as remarkable peculiarity of the area &#40;<a class="elsevierStyleCrossRef" href="#bib0125">Paruelo et al&#46;&#44; 1998</a>&#41;&#46;</p><p id="par0015" class="elsevierStylePara elsevierViewall">Studied fleas were collected in 20 localities of Chubut and Santa Cruz&#46; Hosts were identified as the following sigmodontine rodents &#40;Cricetidae&#41;&#58; <span class="elsevierStyleItalic">Calomys musculinus</span> &#40;Thomas&#44; 1913&#41;&#44; <span class="elsevierStyleItalic">Eligmodontia typus</span> F&#46; Cuvier&#44; 1837&#44; <span class="elsevierStyleItalic">E&#46; morgani</span> J&#46; A&#46; Allen&#44; 1901&#44; <span class="elsevierStyleItalic">Loxodontomys micropus</span> &#40;Waterhouse&#44; 1837&#41;&#44; <span class="elsevierStyleItalic">Graomys griseoflavus</span> &#40;Waterhouse&#44; 1837&#41;&#44; <span class="elsevierStyleItalic">Phyllotis xanthopygus</span> &#40;Watherhouse&#44; 1837&#41;&#44; <span class="elsevierStyleItalic">Abrothrix longipilis</span> &#40;Waterhouse&#44; 1837&#41;&#44; <span class="elsevierStyleItalic">A&#46; olivacea</span> &#40;Waterhouse&#44; 1837&#41;&#44; <span class="elsevierStyleItalic">Chelemys macronyx</span> &#40;Thomas&#44; 1894&#41;&#44; <span class="elsevierStyleItalic">Akodon iniscatus</span> Thomas&#44; 1919&#44; <span class="elsevierStyleItalic">A&#46; dolores</span> Thomas&#44; 1916&#44; <span class="elsevierStyleItalic">Reithrodon auritus</span> &#40;Fisher&#44; 1814&#41;&#44; and <span class="elsevierStyleItalic">Euneomys chinchilloides</span> &#40;Waterhouse&#44; 1839&#41;&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Fleas were prepared following the conventional techniques &#40;see <a class="elsevierStyleCrossRef" href="#bib0100">Lareschi et al&#46;&#44; 2010</a>&#41; and subsequently identified using a microscope equipped with a drawing tube&#46; Fleas were drawn and photographed&#46; For the taxonomic identifications we followed descriptions from <a class="elsevierStyleCrossRef" href="#bib0050">Hopkins and Rothschild &#40;1953</a>&#44; <a class="elsevierStyleCrossRef" href="#bib0055">1956</a>&#44; <a class="elsevierStyleCrossRef" href="#bib0060">1962</a>&#44; <a class="elsevierStyleCrossRef" href="#bib0065">1966</a>&#44; <a class="elsevierStyleCrossRef" href="#bib0070">1971</a>&#41;&#44; <a class="elsevierStyleCrossRef" href="#bib0075">Johnson &#40;1957&#41;</a> and <a class="elsevierStyleCrossRef" href="#bib0145">Smit &#40;1987&#41;</a>&#46; We followed the classification of <a class="elsevierStyleCrossRef" href="#bib0160">Whiting et al&#46; &#40;2008&#41;</a> for the higher taxa&#46; Voucher specimens were deposited in the Colecci&#243;n de Entomolog&#237;a of the Museo de La Plata &#40;MLP&#44; La Plata&#44; Buenos Aires&#44; Argentina&#41; and in the Anexo de la Colecci&#243;n de Mam&#237;feros of the Centro Nacional Patag&#243;nico &#40;CENPAT&#41; &#40;CNP&#44; Puerto Madryn&#44; Chubut&#44; Argentina&#41;&#46; At the moment&#44; fleas hold a field number&#44; which consists in the same field number of the hosts&#59; for each individual flea of the same host a number was added&#44; separated by a hyphen &#40;e&#46;g&#46; PPA5-1&#59; DUS494-3&#41;&#46; Hosts were captured&#44; processed and identified by Ulyses Pardi&#241;as and his collaborator group &#40;Centro Nacional Patag&#243;nico&#44; Argentina&#41;&#59; rodents will be deposited at the Colecci&#243;n de Mam&#237;feros of the CENPAT &#40;CNP&#44; Puerto Madryn&#44; Chubut&#44; Argentina&#41;&#46; Acronyms of field numbers for each specimen correspond to&#58; PPA &#40;Proyecto Patagonia Agencia&#41;&#44; DUS &#40;n&#250;mero de campo Daniel Udrizar Sauthier&#41;&#44; and LTU &#40;Proyecto Localidades Tipo&#41;&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">The studied specimens are listed below&#44; indicating the number of each sex&#44; field number&#44; host species and locality&#46; A brief report with comments on diagnostic characteristics&#44; known host species&#44; and geographical distribution is included&#46; Moreover&#44; we describe for the first time the aedeagus of some species&#44; complementing their original descriptions&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Redescriptions</span><p id="par0030" class="elsevierStylePara elsevierViewall">Family Ctenophthalmidae</p><p id="par0035" class="elsevierStylePara elsevierViewall">Subfamily Ctenophthalminae</p><p id="par0040" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Agastopsylla boxi</span></span><a class="elsevierStyleCrossRef" href="#bib0080">Jordan and Rothschild&#44; 1923</a><a class="elsevierStyleCrossRef" href="#fig0005">Figures 1&#44; 2</a></p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Description of the aedeagus</span><p id="par0045" class="elsevierStylePara elsevierViewall">Aedeagal apodeme &#40;AEA&#41; long&#44; portion between apex of apodeme and well-developed proximal spur &#40;PS&#41; about 4 times longer than broad&#59; with 2 long apodemal struts &#40;APS&#41;&#44; proximal strut wider than distal strut and with pointed extension&#44; distal strut is conical and elongated&#46; Crescent sclerite &#40;CS&#41; convex&#44; relatively long and arranged around the proximal strut&#46; Median dorsal lobe &#40;MDL&#41; strongly sclerotized in the center&#59; apical region straight&#46; Lateral lobe &#40;LL&#41; elongated&#44; narrow and straight&#46; Sclerotized inner tube &#40;SIT&#41; short and oblique&#44; base wider and apex with shape almost pointed&#46; Crochet of aedeagus &#40;CR&#41; apical&#44; arranged around the inner tube&#44; with dorso-distal rounded margin&#44; about 3 times longer than broad&#46; Wall of aedeagal pouch &#40;PW&#41; sclerotized&#44; upper region wider and curved than lower region&#46; Penis rod &#40;PR&#41; uncoiled&#44; subequal to longer than aedeagal apodemal rod &#40;AAR&#41;&#46; Sclerotized vesicle &#40;V&#41; located above the apex of the penis rod&#46;</p></span></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Taxonomic summary</span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Type host and locality</span><p id="par0050" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Abrothrix longipilis</span> &#40;Waterhouse&#44; 1837&#41;&#59; Leleque&#44; Chubut&#44; Argentina&#46;</p></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0055">Other known hosts</span><p id="par0055" class="elsevierStylePara elsevierViewall">Rodents &#40;<a class="elsevierStyleCrossRef" href="#bib0065">Hopkins and Rothschild&#44; 1966</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0015">Beaucournu and Alcover&#44; 1990</a>&#41;&#46;</p></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0060">Known geographical distribution</span><p id="par0060" class="elsevierStylePara elsevierViewall">Southern Argentina and Chile &#40;<a class="elsevierStyleCrossRef" href="#bib0025">Beaucournu and Gallardo&#44; 1991</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46;</p></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Material examined</span><p id="par0065" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">E&#46; chinchilloides</span>&#44; Ca&#241;ad&#243;n de la Madera&#44; Sierra de Tepuel &#40;43&#176;52&#39;33&#8221; S&#44; 70&#176;42&#39;40&#8221; W&#41;&#44; 1 male &#40;PPA39&#41;&#59; ex <span class="elsevierStyleItalic">E&#46; morgani</span>&#44; Carhu&#233; Niyeu&#44; &#40;42&#176;49&#39;21&#8221; S&#44; 68&#176;23&#39;56&#8221; W&#41;&#44; 1 male &#40;PPA270&#41;&#59; ex <span class="elsevierStyleItalic">R&#46; auritus</span>&#44; 2 females &#40;PPA254&#44; 298&#41;&#59; ex <span class="elsevierStyleItalic">G&#46; griseoflavus</span>&#44; Establecimiento Gorro Frigio &#40;43&#176;02&#39;26&#8221; S&#44; 69&#176;19&#39;55&#8221; W&#41;&#44; 1 male &#40;PPA257&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; Pico Salamanca &#40;45&#176;24&#39;32&#8221; S&#44; 67&#176;24&#39;58&#8221; W&#41;&#44; 1 female &#40;DUS746&#41;&#59; ex <span class="elsevierStyleItalic">L&#46; micropus</span>&#44; 3 females &#40;PPA15&#44; 58&#44; 70&#41;&#44; 3 males &#40;PPA81&#44; 84&#44; 90&#41;&#59; ex <span class="elsevierStyleItalic">P&#46; xanthopygus&#44;</span> 3 females &#40;PPA9&#44; 53&#44; 89&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Estancia El Mait&#233;n &#40;42&#176;03&#39;34&#8221; S&#44; 71&#176;09&#39;48&#8221; W&#41;&#44; 1 male &#40;DUS176&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; longipilis</span>&#44; Estancia Leleque&#44; La Potrada &#40;42&#176;19&#39;56&#8221; S&#44; 70&#176;59&#39;00&#8221; W&#41;&#44; 11 females &#40;DUS125&#44; 133&#44; 136&#44; 140&#8211;144&#44; 148&#44; 149&#44; LTU148&#44; 153&#41;&#46; Santa Cruz&#58; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Pali Aike&#44; &#40;50&#176;06&#39;30&#8221; S&#44; 68&#176;27&#39;37&#8221; W&#41;&#44; 2 males &#40;LTU676&#44; 678&#41;&#59; Puerto Santa Cruz &#40;51&#176;56&#39;09&#8221; S&#44; 69&#176;34&#39;26&#8221; W&#41;&#44; 1 male &#40;LTU642&#41;&#46;</p></span><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Remarks</span><p id="par0070" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Agastopsylla</span> is separated from all other genera of Ctenophthalminae by the reduction in the size and pigmentation of the setae of the genal comb &#40;<a class="elsevierStyleCrossRef" href="#bib0065">Hopkins and Rothschild&#44; 1966</a>&#41;&#46; This genus is comprised of 4 species&#58; <span class="elsevierStyleItalic">A&#46; boxi&#44; A&#46; pearsoni</span> Traub&#44; 1952&#44; <span class="elsevierStyleItalic">A&#46; nylota</span> Traub&#44; 1952&#44; and <span class="elsevierStyleItalic">A&#46; hirsutor</span> Traub&#44; 1952&#46; In this study we describe the morphology of the aedeagus of <span class="elsevierStyleItalic">A&#46; boxi</span>&#44; unknown until now&#44; and we include new diagnostic characters&#46; Based on this description it can be observed that <span class="elsevierStyleItalic">A&#46; boxi</span> shares with <span class="elsevierStyleItalic">A&#46; nylota</span> the length of crochet and aedeagal apodeme&#44; and with <span class="elsevierStyleItalic">A&#46; pearsoni</span> the shape of the crescent sclerite&#46; <span class="elsevierStyleItalic">Agastopsylla boxi</span> is unique for the following characters&#58; shape of the apical region of dorsal lobe&#44; which is straight&#59; and shape of the ventral margin of the sclerotized inner tube&#44; having a subtriangular projection&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">Two subspecies have been recognized in the literature&#58; <span class="elsevierStyleItalic">A&#46; boxi boxi</span><a class="elsevierStyleCrossRef" href="#bib0080">Jordan and Rothschild&#44; 1923</a> and <span class="elsevierStyleItalic">A&#46; boxi gibbosa</span><a class="elsevierStyleCrossRef" href="#bib0015">Beaucournu and Alcover&#44; 1990</a>&#46; Specimens examined in the present study fit the description provided for <span class="elsevierStyleItalic">A&#46; b&#46; boxi&#46;</span> However&#44; since <span class="elsevierStyleItalic">A&#46; b&#46; gibbosa</span> is only known by the shape of sternite IX of the male and the female is unknown &#40;<a class="elsevierStyleCrossRef" href="#bib0015">Beaucournu and Alcover&#44; 1990</a>&#41;&#44; and moreover occur in sympatry with <span class="elsevierStyleItalic">A&#46; b&#46; boxi</span>&#44; we consider that probably both names are synonyms&#46;</p><p id="par0085" class="elsevierStylePara elsevierViewall">The present finding of <span class="elsevierStyleItalic">A&#46; boxi</span> in Puerto Santa Cruz&#44; Santa Cruz &#40;51&#176;56&#39;09&#8221; S&#59; 69&#176;34&#39;26&#8221; W&#41; extends its geographic range southward ca&#46; 500<span class="elsevierStyleHsp" style=""></span>km&#46; Known hosts are rodents mainly of the genus <span class="elsevierStyleItalic">Abrothrix</span> &#40;<a class="elsevierStyleCrossRef" href="#bib0065">Hopkins and Rothschild&#44; 1966</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi&#44; 1998</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46; In this study&#44; rodents <span class="elsevierStyleItalic">A&#46; iniscatus&#44; E&#46; morgani&#44; E&#46; chichilloides&#44; L&#46; micropus&#44; P&#46; xanthopygus</span> and <span class="elsevierStyleItalic">R&#46; auritus</span> are included as new hosts for this flea&#46;</p><p id="par0090" class="elsevierStylePara elsevierViewall">Family Stephanocircidae</p><p id="par0095" class="elsevierStylePara elsevierViewall">Subfamily Craneopsyllinae</p><p id="par0100" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Tiarapsylla argentina</span></span> Jordan&#44; 1942</p><p id="par0105" class="elsevierStylePara elsevierViewall"><a class="elsevierStyleCrossRef" href="#fig0010">Figures 3&#44; 4</a></p><elsevierMultimedia ident="fig0010"></elsevierMultimedia></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Description of aedeagus</span><p id="par0110" class="elsevierStylePara elsevierViewall">Aedeagal apodeme &#40;AEA&#41; long and spatulate&#59; anterior region broad and with margin strongly rounded&#59; middle region reduced forming the neck &#40;N&#41;&#46; Apical appendage &#40;APA&#41; short and narrow&#46; Apodemal strut &#40;APS&#41; small&#46; Crecent sclerite &#40;CS&#41; convex and short&#44; arranged around the proximal strut&#46; Median dorsal lobe &#40;MDL&#41; vestigial&#46; Distolateral lobe &#40;DLL&#41; small&#46; Sclerotized inner tube &#40;SIT&#41; short&#44; straight and narrow&#59; sclerite lateral of inner tube &#40;LSI&#41; large and basal&#46; Crochet of aedeagus &#40;CR&#41; apical&#44; completely joined to the dorsal margin of lateral lobe &#40;LL&#41; and extending dorsally over of distolateral lobe&#46; Aedeagal apodemal rod &#40;AAR&#41; longer<a name="p386"></a> than aedeagal apodeme and shorter than penis rod &#40;PR&#41;&#44; both lightly curved at the tip without reaching rolled&#46;</p></span></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Taxonomic summary</span><span id="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Type host and locality</span><p id="par0115" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Ctenomys mendocinus</span> Phillipi&#44; 1869&#59; San Rafael&#44; Mendoza &#40;<a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi&#44; 1998</a>&#41;&#46;</p></span><span id="sec0075" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Other known hosts</span><p id="par0120" class="elsevierStylePara elsevierViewall">Rodents &#40;<a class="elsevierStyleCrossRef" href="#bib0030">Beaucournu and Kelt&#44; 1990</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46;</p></span><span id="sec0080" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Known geographical distribution</span><p id="par0125" class="elsevierStylePara elsevierViewall">Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46;</p></span><span id="sec0085" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Material examined</span><p id="par0130" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">R&#46; auritus</span>&#44; Carhu&#233; Niyeu &#40;42&#176;49&#39;21&#8221; S&#59; 68&#176;23&#39;56&#8221; W&#41;&#44; 2 females &#40;PPA254&#8211;1&#44; 2&#41;&#44; 2 males &#40;PPA275&#8211;1&#44; 2&#41;&#46;</p></span><span id="sec0090" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Remarks</span><p id="par0135" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Tiarapsylla</span> differs from all the other genera of Craneopsyllinae by the prectenidial part of the frons not being conspicuously broader either subdorsally or in the middle and because the dorsal portion of the suture that divides the helmet from the rest of the head is well developed&#44; but the ventral part is conspicuous or poorly developed &#40;<a class="elsevierStyleCrossRef" href="#bib0075">Johnson&#44; 1957</a>&#41;&#46; <span class="elsevierStyleItalic">Tiarapsylla</span> includes 3 species distributed in the Andean region&#58; <span class="elsevierStyleItalic">T&#46; titschacki</span> Wagner&#44; 1937 and <span class="elsevierStyleItalic">T&#46; bella</span> Johnson&#44; 1956 occurring in Peru&#59; and <span class="elsevierStyleItalic">T&#46; argentina&#44;</span> endemic to Argentina&#44; distributed in Mendoza and La Pampa &#40;<a class="elsevierStyleCrossRef" href="#bib0075">Johnson&#44; 1957</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46; Morphological characters of the specimens of <span class="elsevierStyleItalic">T&#46; argentina</span> identified in this study are consistent with the original description of the species&#44; among them the helmet comb is straight&#59; the abdominal segments have a single row of setae&#59; in the female&#44; the bulga of the spermatheca is globular&#59; in the male&#44; the fixed process of the clasper has many setae and the movable process of the clasper has a short and narrow tip&#46; In this study&#44; so as to complement the description of the male of <span class="elsevierStyleItalic">T&#46; argentina</span> we describe the morphology of aedeagus&#44; so far unknown and are included as a new character of diagnostic value&#46; Furthermore&#44; the finding of <span class="elsevierStyleItalic">T&#46; argentina</span> in Chubut is the first record of the species in Patagonia and extends its geographic range ca&#46; 600 km from La Pampa&#44; the southernmost known record&#46; Moreover&#44; known hosts for <span class="elsevierStyleItalic">T&#46; argentina</span> are rodents mainly of genus <span class="elsevierStyleItalic">Ctenomys</span> &#40;Ctenomyidae&#41; &#40;<a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi&#44; 1998</a>&#41;&#46; In this study it was found parasitizing <span class="elsevierStyleItalic">R&#46; auritus&#44;</span> representing a new host association&#46;</p><p id="par0140" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Sphinctopsylla ares</span></span> &#40;Rothschild&#44; 1911&#41;</p></span></span><span id="sec0095" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Taxonomic summary</span><span id="sec0100" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Type host and locality</span><p id="par0145" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Abrothrix olivacea</span> &#40;Waterhouse&#44; 1837&#41;&#59; Caut&#237;n&#44; Chile&#46;</p></span><span id="sec0105" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Other known hosts</span><p id="par0150" class="elsevierStylePara elsevierViewall">Rodents and marsupials &#40;<a class="elsevierStyleCrossRef" href="#bib0055">Hopkins and Rothschild&#44; 1956</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0005">Alarc&#243;n&#44; 2003</a>&#41;&#46;</p></span><span id="sec0110" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Known geographical distribution</span><p id="par0155" class="elsevierStylePara elsevierViewall">Southern Argentina and Chile &#40;<a class="elsevierStyleCrossRef" href="#bib0005">Alarc&#243;n&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46;</p></span><span id="sec0115" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Material examined</span><p id="par0160" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; ca&#241;ad&#243;n de la Madera&#44; sierra de Tepuel &#40;43&#176;52&#39;33&#8221;S&#59; 70&#176;42&#39;40&#8221; W&#41;&#44; 1 female &#40;PPA21-1&#41;&#44; 1 male &#40;PPA21-2&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; longipilis</span>&#44; Estancia Leleque&#44; La Potrada &#40;42&#176;19&#39;56&#8221; S&#59; 70&#176;59&#39;00&#8221; W&#41;&#44; 1 female &#40;DUS163&#41;&#59; ex <span class="elsevierStyleItalic">P&#46; xanthopygus</span> 1 km E Lago Blanco &#40;45&#176;55&#39;33&#8221; S&#59; 71&#176;14&#39;58&#8221; W&#41;&#44; 1 male &#40;LTU145&#41;&#46; Santa Cruz&#58; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Pali Aike &#40;50&#176;06&#39;30&#8221; S&#59; 68&#176;27&#39;37&#8221; W&#41;&#44; 1 female &#40;LTU666&#41;&#46;</p></span><span id="sec0120" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0135">Remarks</span><p id="par0165" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Sphinctopsylla</span> includes 6 species&#44; 2 of these present in Argentina and only distributed in Patagonia&#58; <span class="elsevierStyleItalic">S&#46; ares</span> and <span class="elsevierStyleItalic">S&#46; mars</span> &#40;Rothschild&#44; 1898&#41; &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46; The finding of <span class="elsevierStyleItalic">S&#46; ares</span> in this study is the first record of the species for Chubut&#59; however&#44; its occurrence in this province was expected&#44; since it is a common species within the geographic range which comprises the southern province of Magallanes&#44; in Chile and the provinces of Neuqu&#233;n&#44; R&#237;o Negro and Santa Cruz&#44; in Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0035">Hastriter et al&#46;&#44; 2001</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0005">Alarc&#243;n&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0140">S&#225;nchez et al&#46;&#44; 2009</a>&#59; <a name="p237"></a><a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46; Furthermore&#44; the known hosts of <span class="elsevierStyleItalic">S&#46; ares</span> are rodents and marsupials &#40;<a class="elsevierStyleCrossRef" href="#bib0055">Hopkins and Rothschild&#44; 1956</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0005">Alarc&#243;n&#44; 2003</a>&#41;&#46; In this study it was found parasitizing rodents of the genera <span class="elsevierStyleItalic">Abrothrix</span> and <span class="elsevierStyleItalic">Phyllotis</span>&#44; previously mentioned in the literature &#40;<a class="elsevierStyleCrossRef" href="#bib0055">Hopkins and Rothschild&#44; 1956</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi&#44; 1998</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0005">Alarc&#243;n&#44; 2003</a>&#41;&#46;</p><p id="par0170" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Craneopsylla minerva</span></span> Rothschild&#44; 1903</p></span></span><span id="sec0125" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0140">Taxonomic summary</span><span id="sec0130" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0145">Type host and locality</span><p id="par0175" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Didelphys azarae</span> Temminck&#44; 1824&#59; Sapucay&#44; Paraguay&#46;</p></span><span id="sec0135" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0150">Other known hosts</span><p id="par0180" class="elsevierStylePara elsevierViewall">Rodents &#40;<a class="elsevierStyleCrossRef" href="#bib0075">Johnson&#44; 1957</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0140">S&#225;nchez et al&#46;&#44; 2009</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46;</p></span><span id="sec0140" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0155">Known geographical distribution</span><p id="par0185" class="elsevierStylePara elsevierViewall">Argentina&#44; Brazil&#44; Chile&#44; Paraguay and Peru &#40;<a class="elsevierStyleCrossRef" href="#bib0075">Johnson&#44; 1957</a>&#41;&#46;</p></span><span id="sec0145" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0160">Material examined</span><p id="par0190" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; Cabo Raso &#40;44&#176;20&#39;23&#8221; S&#59; 65&#176;14&#39;59&#8221; W&#41;&#44; 2 females &#40;DUS551&#44; 553&#41;&#59; ex <span class="elsevierStyleItalic">C&#46; musculinus</span>&#44; 1 male &#40;DUS560&#41;&#44; 1 female &#40;DUS575&#41;&#59; ex <span class="elsevierStyleItalic">R&#46; auritus</span>&#44; Carhu&#233; Niyeu &#40;42&#176;49&#39;21&#8221; S&#59; 68&#176;23&#39;56&#8221; W&#41;&#44; 1 female &#40;PPA275&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; longipilis</span>&#44; 1 female &#40;PPA286&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; dolores</span>&#44; Estancia Los Nogales &#40;42&#176;39&#39;05&#8221; S&#59; 67&#176;03&#39;37&#8221; W&#41;&#44; 1 female &#40;DUS761&#41;&#59; ex <span class="elsevierStyleItalic">G&#46; griseoflavus</span>&#44; Isla Escondida &#40;43&#176;39&#39;18&#8221; S&#59; 65&#176;20&#39;05&#8221; W&#41;&#44; 1 male &#40;DUS529&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; longipilis</span>&#44; 1 km E Lago Blanco &#40;45&#176;55&#39;33&#8221; S&#59; 71&#176;14&#39;58&#8221; W&#41;&#44; 1 female &#40;LTU155&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; Bah&#237;a Cracker &#40;42&#176;57&#39;02&#8221; S&#59; 64&#176;28&#39;40&#8221; W&#41;&#44; 1 male &#40;DUS464&#41;&#59; ex <span class="elsevierStyleItalic">E&#46; typus</span>&#44; Puerto Lobos &#40;42&#176;00&#39;03&#8221; S&#59; 65&#176;04&#39;19&#8221; W&#41;&#44; 1 female &#40;PNG12&#41;&#59; ex <span class="elsevierStyleItalic">R&#46; auritus</span>&#44; Puerto Piojo &#40;44&#176;53&#39;00&#8221; S&#59; 65&#176;40&#39;19&#8221; W&#41;&#44; 1 female &#40;DUS644&#41;&#46; <span class="elsevierStyleItalic">Remarks&#46; Craneopsylla</span> is a monotypic genus including the species <span class="elsevierStyleItalic">C&#46; minerva&#46;</span> Two subspecies have been mentioned in the literature&#58; <span class="elsevierStyleItalic">C&#46; minerva minerva</span> &#40;Rothschild&#44; 1903&#41; and <span class="elsevierStyleItalic">C&#46; m&#46; wolffhuegeli</span> &#40;Rothschild&#44; 1909&#41;&#44; defined only by the number of setae in the genal comb &#40;<a class="elsevierStyleCrossRef" href="#bib0075">Johnson&#44; 1957</a>&#41;&#46; Specimens identified in this study are consistent with the original description of <span class="elsevierStyleItalic">C&#46; m&#46; wolffhuegeli</span> &#40;Rothschild&#44; 1909&#41;&#46; However&#44; we consider that diagnostic characteristics for subspecies are very weak&#46; Thus&#44; at the moment&#44; we prefer to consider them as synonyms&#46;</p><p id="par0195" class="elsevierStylePara elsevierViewall">In Argentina&#44; <span class="elsevierStyleItalic">C&#46; minerva</span> is widely distributed&#44; including Patagonia &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0140">S&#225;nchez et al&#46;&#44; 2009</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#59; however&#44; the present finding of <span class="elsevierStyleItalic">C&#46; minerva</span> in Chubut represents the first mention of the genus for the province&#46; In this study&#44; <span class="elsevierStyleItalic">C&#46; minerva</span> was found parasitizing previously known hosts&#46;</p><p id="par0200" class="elsevierStylePara elsevierViewall">Family Rhopalopsyllidae</p><p id="par0205" class="elsevierStylePara elsevierViewall">Subfamily Rhopalopsyllinae</p><p id="par0210" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Polygenis</span> &#40;<span class="elsevierStyleItalic">Polygenis</span>&#41; <span class="elsevierStyleItalic">platensis</span></span> &#40;Jordan and Rothschild&#44; 1908&#41;</p></span></span><span id="sec0150" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0165">Taxonomic summary</span><span id="sec0155" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0170">Type host and locality</span><p id="par0215" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Ctenomys talarum</span> Thomas&#44; 1898&#59; La Plata&#44; Buenos Aires&#44; Argentina&#46;</p></span><span id="sec0160" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0175">Other known hosts</span><p id="par0220" class="elsevierStylePara elsevierViewall">Rodents&#44; marsupials and xenarthrans &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Smit&#44; 1987</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi&#44; 2009</a>&#41;&#46;</p></span><span id="sec0165" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0180">Known geographical distribution</span><p id="par0225" class="elsevierStylePara elsevierViewall">Bolivia&#44; Chile&#44; Uruguay&#44; Brazil and Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Smit&#44; 1987</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimar&#227;es&#44; 2000</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi&#44; 2009</a>&#41;&#46;</p></span><span id="sec0170" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0185">Material examined</span><p id="par0230" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; Cabo Raso &#40;44&#176;20&#39;23&#8221; S&#59; 65&#176;14&#39;59&#8221; W&#41;&#44; 3 females &#40;DUS551-2&#44; 554&#41;&#44; ex <span class="elsevierStyleItalic">R&#46; auritus</span>&#44; 1 male &#40;DUS566&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Pico Salamanca &#40;45&#176;24&#39;32&#8221; S&#59; 67&#176;24&#39;58&#8221; W&#41;&#44; 1 female &#40;DUS670&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; Puerto Lobos &#40;42&#176;00&#39;03&#8221; S&#59; 65&#176;04&#39;19&#8221; W&#41;&#44; 1 female &#40;DUS450&#41;&#59; ex <span class="elsevierStyleItalic">E&#46; typus&#44;</span> Puerto Piojo &#40;44&#176;53&#39;00&#8221; S&#59; 65&#176;40&#39;19&#8221; W&#41;&#44; 1 female &#40;DUS618&#41;&#44; 1 male &#40;DUS633&#41;&#44; ex <span class="elsevierStyleItalic">G&#46; griseoflavus</span> 2 females &#40;DUS588-1&#44; 613&#41;&#44; 2 males &#40;DUS589&#44; 591&#41;&#44; ex <span class="elsevierStyleItalic">R&#46; auritus</span>&#44; 1 female &#40;DUS644-1&#41;&#44; 1 male &#40;DUS655&#41;&#46;</p></span><span id="sec0175" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0190">Remarks</span><p id="par0235" class="elsevierStylePara elsevierViewall">Within Rhopalopsyllidae&#44; <span class="elsevierStyleItalic">Polygenis</span> includes the largest number of species and subspecies &#40;about 50&#41; &#40;<a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimar&#227;es&#44; 2000</a>&#41;&#46; <span class="elsevierStyleItalic">Polygenis</span> in Argentina is represented by 14 species and subspecies&#44; mainly distributed in Buenos Aires and only 3 distributed in Patagonia &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46; Within the genus&#44; <span class="elsevierStyleItalic">P&#46;</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">platensis</span> is distributed in southern South America&#44; with a higher occurrence in Argentina and Uruguay &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Smit&#44; 1987</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimar&#227;es&#44; 2000</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi&#44; 2009</a>&#41;&#46; For Patagonia&#44; <span class="elsevierStyleItalic">P&#46;</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">platensis</span> was registered only for R&#237;o Negro and Santa Cruz &#40;<a class="elsevierStyleCrossRef" href="#bib0095">Lareschi and Linardi&#44; 2009</a>&#41;&#44; thus&#44; this finding represents the first mention for Chubut&#46; In this study&#44; the rodent species <span class="elsevierStyleItalic">A&#46; iniscatus&#44; R&#46; auritus&#44; A&#46; olivacea</span> and <span class="elsevierStyleItalic">E&#46; typus</span> are included as new hosts for this flea&#46;</p><p id="par0240" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Polygenis &#40;Polygenis&#41; rimatus</span></span> &#40;Jordan&#44; 1932&#41;</p></span></span><span id="sec0180" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0195">Taxonomic summary</span><span id="sec0185" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0200">Type host and locality</span><p id="par0245" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Didelphis</span> sp&#46;&#59; Sapucay&#44; Paraguay&#46;</p></span><span id="sec0190" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0205">Other known hosts</span><p id="par0250" class="elsevierStylePara elsevierViewall">Rodents and marsupials &#40;<a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimar&#227;es&#44; 2000</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0090">Lareschi and Linardi&#44; 2005</a>&#41;&#46;</p></span><span id="sec0195" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0210">Known geographical distribution</span><p id="par0255" class="elsevierStylePara elsevierViewall">Paraguay&#44; Peru&#44; Brazil and Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Smit&#44; 1987</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimar&#227;es&#44; 2000</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46;</p></span><span id="sec0200" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0215">Material examined</span><p id="par0260" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; Bah&#237;a Cracker &#40;42&#176;57&#39;02&#8221; S&#59; 64&#176;28&#39;40&#8221; W&#41;&#44; 3 males &#40;DUS461-1&#44; 461-2&#44; 464&#41;&#44; 2 females &#40;DUS461-1&#44; 2&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; Bajo los Huesos &#40;43&#176;11&#39;42&#8221; S&#59; 64&#176;51&#39;52&#8221; W&#41;&#44; 1 female &#40;DUS509&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; dolores</span>&#44; Puerto Lobos &#40;42&#176;00&#39;03&#8221; S&#59; 65&#176;04&#39;19&#8221; W&#41;&#44; 1 male &#40;DUS451&#41;&#44; 1 female &#40;DUS451&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; iniscatus</span>&#44; 2 females &#40;DUS439-2&#44; 449&#41;&#59; ex <span class="elsevierStyleItalic">G&#46; griseoflavus</span>&#44; 1 male &#40;DUS443&#41;&#46;</p></span><span id="sec0205" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0220">Remarks</span><p id="par0265" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Polygenis &#40;P&#46;&#41; rimatus</span> is distributed mostly in Brazil and Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0105">Linardi and Guimar&#227;es&#44; 2000</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0090">Lareschi and Linardi&#44; 2005</a>&#41;&#46; For Patagonia&#44; <span class="elsevierStyleItalic">P&#46;</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">rimatus</span> had been mentioned only for Neuqu&#233;n &#40;<a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46; This finding represents the first record for Chubut and extends its known geographical<a name="p388"></a> distribution ca&#46; 700<span class="elsevierStyleHsp" style=""></span>km from its southern most known record &#40;Neuqu&#233;n City&#44; 38&#176;54&#39;42&#8221; S&#59; 68&#176;03&#39;57&#8221; W&#41;&#46; In this study&#44; <span class="elsevierStyleItalic">A&#46; iniscatus</span> and <span class="elsevierStyleItalic">G&#46; griseoflavus</span> are included as new hosts for this flea&#46;</p><p id="par0270" class="elsevierStylePara elsevierViewall">Subfamily Parapsyllinae</p><p id="par0275" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Ectinorus &#40;Ectinorus&#41; ixanus</span></span> &#40;Jordan&#44; 1942&#41;</p></span></span><span id="sec0210" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0225">Taxonomic summary</span><span id="sec0215" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0230">Type host and locality</span><p id="par0280" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Microcavia australis</span> &#40;I&#46; Geoffroy Saint-Hilaire and d&#39;Orbigny&#44; 1833&#41;&#59; San Rafael&#44; Mendoza&#44; Argentina&#46;</p></span><span id="sec0220" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0235">Other known hosts</span><p id="par0285" class="elsevierStylePara elsevierViewall">Rodents and canids &#40;Beacournu and Kelt&#44; 1990&#59; <a class="elsevierStyleCrossRef" href="#bib0010">Autino and Lareschi&#44; 1998</a>&#41;&#46;</p></span><span id="sec0225" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0240">Known geographical distribution</span><p id="par0290" class="elsevierStylePara elsevierViewall">Chile and Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0025">Beaucournu and Gallardo&#44; 1991</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46;</p></span><span id="sec0230" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0245">Material examined</span><p id="par0295" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">E&#46; morgani</span>&#44; Caba&#241;a Arroyo Pescado&#44; &#40;43&#176;01&#39;31&#8221; S&#59; 70&#176;47&#39;34&#8221; W&#41;&#44; 1 male &#40;DUS111&#41;&#59; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Ca&#241;ad&#243;n de la Madera&#44; Sierra de Tepuel &#40;43&#176;52&#39;33&#8221; S&#59; 70&#176;42&#39;40&#8221; W&#41;&#44; 1 female &#40;PPA26&#41;&#59; ex <span class="elsevierStyleItalic">E&#46; typus</span>&#44; Caolinera Dique Ameghino &#40;43&#176;40&#39;48&#8221; S&#59; 66&#176;25&#39;57&#8221; W&#41;&#44; 1 male &#40;DUS383&#41;&#59; ex <span class="elsevierStyleItalic">E&#46; morgani</span>&#44; Establecimiento El Capricho&#44; Cushamen &#40;42&#176;09&#39;21&#8221; S&#59; 70&#176;40&#39;51&#8221; W&#41;&#44; 1 female &#40;DUS200&#41;&#59; ex <span class="elsevierStyleItalic">G&#46; griseoflavus</span>&#44; Establecimiento Gorro Frigio &#40;43&#176;02&#39;26&#8221; S&#59; 69&#176;19&#39;55&#8221; W&#41;&#44; 1 female &#40;DUS256&#41;&#44; ex <span class="elsevierStyleItalic">A&#46; longipilis</span>&#44; 1 female &#40;LTU156&#41;&#59; ex <span class="elsevierStyleItalic">R&#46; auritus</span>&#44; Laguna de Aleusco &#40;43&#176;10&#39;17&#8221; S&#59; 70&#176;26&#39;20&#8221; W&#41;&#44; 1 female &#40;PPA112&#41;&#59; ex <span class="elsevierStyleItalic">P&#46; xanthopygus</span>&#44; 1 female &#40;PPA113&#41;&#46; Santa Cruz&#58; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Pali Aike&#44; &#40;50&#176;06&#39;30&#8221; S&#59; 68&#176;27&#39;37&#8221; W&#41;&#44; 3 females &#40;LTU671&#44; 676&#44; 683&#41;&#59; Puerto Santa Cruz &#40;51&#176;56&#39;09&#8221; S&#59; 69&#176;34&#39;26&#8221; W&#41;&#44; 3 males &#40;LTU650&#44; 658&#8211;659&#41;&#44; 3 females &#40;LTU651&#44; 656&#44; 661&#41;&#46;</p></span><span id="sec0235" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0250">Remarks</span><p id="par0300" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Ectinorus</span> is represented by 39 species and subspecies distributed in Bolivia&#44; Peru&#44; Chile and Argentina&#44; 10 with records for Patagonia &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0040">Hastriter and Sage&#44; 2009</a>&#44; <a class="elsevierStyleCrossRef" href="#bib0045">2011</a>&#41;&#46; The genus includes 3 subgenera&#58; <span class="elsevierStyleItalic">Panallius&#44; Ichyonus</span>&#44; and <span class="elsevierStyleItalic">Ectinorus</span> &#40;<a class="elsevierStyleCrossRef" href="#bib0045">Hastriter and Sage&#44; 2011</a>&#41;&#46; <span class="elsevierStyleItalic">Ectinorus</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">ixanus</span> in Argentina has been registered in Mendoza and Chubut &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#44; comprising the present findings for Santa Cruz as new geographical distribution records&#46; Also&#44; the locality Pali Aike &#40;50&#176;06&#39;30&#8221; S&#59; 68&#176;27&#39;37&#8221; W&#41;&#44; close to the Magellanic Strait&#44; is the southernmost limit of its geographical distribution&#46; Rodent species&#44; <span class="elsevierStyleItalic">E&#46; morgani&#44; E&#46; typus&#44; G&#46; griseoflavus</span> and <span class="elsevierStyleItalic">P&#46; xanthopygus</span> are new hosts for this flea species&#46;</p><p id="par0305" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold"><span class="elsevierStyleItalic">Ectinorus</span> &#40;<span class="elsevierStyleItalic">Ectinorus</span>&#41; <span class="elsevierStyleItalic">hapalus</span></span> &#40;Jordan&#44; 1942&#41;</p></span></span><span id="sec0240" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0255">Taxonomic summary</span><span id="sec0245" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0260">Type host and locality</span><p id="par0310" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Graomys griseoflavus</span> Waterhouse&#44; 1837&#59; Santa Rosa&#44; Mendoza&#44; Argentina&#46;</p></span><span id="sec0250" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0265">Other known host</span><p id="par0315" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Akodon azarae</span> &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Smit&#44; 1987</a>&#41;&#46;</p></span><span id="sec0255" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0270">Known geographical distribution</span><p id="par0320" class="elsevierStylePara elsevierViewall">Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#41;&#46;</p></span><span id="sec0260" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0275">Material examined</span><p id="par0325" class="elsevierStylePara elsevierViewall">Chubut&#58; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Estancia El Mait&#233;n&#44; &#40;42&#176;03&#39;34&#8221; S&#59; 71&#176;09&#39;48&#8221; W&#41;&#44; 1 female &#40;DUS176&#41;&#59; <span class="elsevierStyleItalic">A&#46; longipilis</span>&#44; 1 female &#40;DUS135&#41;&#46; Santa Cruz&#58; ex <span class="elsevierStyleItalic">A&#46; olivacea</span>&#44; Pali Aike&#44; &#40;50&#176;06&#39;30&#8221; S&#59; 68&#176;27&#39;37&#8221; W&#41;&#44; 2 females &#40;LTU671&#44; 677&#41;&#59; Puerto Santa Cruz &#40;51&#176;56&#39;09&#8221; S&#59; 69&#176;34&#39;26&#8221; W&#41;&#44; 2 females &#40;LTU643&#44; 648&#41;&#44; 2 males &#40;LTU650&#44; 661&#41;&#46;</p></span><span id="sec0265" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0280">Remarks</span><p id="par0330" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleItalic">Ectinorus</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">hapalus</span> is endemic to Argentina &#40;<a class="elsevierStyleCrossRef" href="#bib0145">Smit&#44; 1987</a>&#41; and its distribution comprises Mendoza&#44; San Luis&#44; Buenos Aires and Neuqu&#233;n &#40;<a class="elsevierStyleCrossRef" href="#bib0020">Beaucournu and Castro&#44; 2003</a>&#59; <a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#46; In this work were identified specimens from Chubut and Santa Cruz&#44; representing the first mention of the species for both provinces&#46; This record from Puerto Santa Cruz&#44; Santa Cruz &#40;51&#176;56&#39;09&#8221; S&#59; 69&#176;34&#39;26&#8221; W&#41; extends the known geographical distribution ca&#46;1000 km from its southernmost known record &#40;Domuyo&#44; Neuqu&#233;n&#59; 36&#176;40&#39;54&#46;0&#8221; S&#59; 70&#176;3&#39;44&#46;2&#8221; W&#41;&#46; Furthermore&#44; <span class="elsevierStyleItalic">A&#46; olivacea</span> and <span class="elsevierStyleItalic">A&#46; longipilis</span> are new hosts for this flea&#46;</p></span></span></span><span id="sec0270" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0285">Discussion</span><p id="par0335" class="elsevierStylePara elsevierViewall">For many species of Siphonaptera&#44; the studies of the morphology of aedeagus have been careless for several reasons&#46; In general&#44; some characters cannot be easily observed&#44; others were not considered appropriate for taxonomic purposes&#46; <a class="elsevierStyleCrossRef" href="#bib0155">Traub &#40;1950&#41;</a> studied comparatively the morphology of the aedeagus in several genera and families of Siphonaptera from Central America and Mexico&#44; describing new species and reallocating 2 genera into another family&#44; demonstrating the importance of aedeagus in the taxonomic classification of species and higher taxa&#46; In this study we describe for the first time the aedeagus of <span class="elsevierStyleItalic">A&#46; boxi</span> and <span class="elsevierStyleItalic">T&#46; argentina</span>&#44; supplementing the description known for males of these fleas&#44; and allowing future comparisons of this morphological structure among their congeners&#46;</p><p id="par0340" class="elsevierStylePara elsevierViewall">Present results contribute to the extension of the geographical and host distributional range of several flea species&#46; Among them&#44; <span class="elsevierStyleItalic">T&#46; argentina</span> is mentioned for the first time for Patagonia&#46; <span class="elsevierStyleItalic">Craneopsylla minerva&#44; S&#46; ares&#44; P&#46;</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">platensis&#44; P&#46;</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">rimatus</span> and <span class="elsevierStyleItalic">E&#46;</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">hapalus</span> are listed for the first time in Chubut&#46; <span class="elsevierStyleItalic">Polygenis</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">rimatus</span> and <span class="elsevierStyleItalic">E&#46;</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">hapalus</span> were cited previously for northern Patagonian &#40;<a class="elsevierStyleCrossRef" href="#bib0135">S&#225;nchez and Lareschi&#44; 2013</a>&#41;&#44; thus extending their distribution record to the south&#46; Similarly&#44; <span class="elsevierStyleItalic">A&#46; boxi&#44; E&#46;</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">ixanus</span> and <span class="elsevierStyleItalic">E&#46;</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">hapalus</span> are registered for the first time in Santa Cruz&#44; expanding the southernmost limit of their geographical distribution&#46; These new records extend the known list of Siphonaptera parasites of sigmodontine rodents for Chubut to 18 species and subspecies&#44; 10 for<a name="p389"></a> Santa Cruz&#44; 57 for Argentinean Patagonia and 82 for Argentina&#46; Besides&#44; 19 parasite-host associations are reported for the first time&#46; The new geographical and host records provided in this study contribute to the knowledge of the biodiversity in Patagonia&#46; Moreover&#44; considering the potential medical and veterinary significance of Siphonaptera and the value of sigmodontine rodents as hosts of these parasites in Patagonia&#44; the results reported will be relevant in epidemiological studies&#46;</p></span></span>"
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          "titulo" => "Introduction"
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        "resumen" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">A high diversity of fleas parasitizing sigmodontine rodents has been mentioned for Patagonia&#46; Several of these fleas have been described having their type localities in the region&#44; including several endemic taxa&#46; For many species&#44; however&#44; the original descriptions are brief and there are no new morphological contributions&#46; In the present study we report 8 species of fleas &#40;Ctenophthalmidae&#44; Rhopalopsyllidae and Stephanocircidae&#41; parasitizing sigmodontine rodents from Argentinean Patagonia&#46; Nineteen new parasite&#8211;host associations are reported and all studied fleas extend their known geographic range&#46; Among them&#44; <span class="elsevierStyleItalic">Tiarapsylla argentina</span> is mentioned for the first time for Patagonia&#59; <span class="elsevierStyleItalic">Craneopsylla minerva&#44; Sphinctopsylla ares&#44; Polygenis</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">platensis</span> and <span class="elsevierStyleItalic">Polygenis</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">rimatus</span> are registered for the first time for Chubut&#44; and <span class="elsevierStyleItalic">Agastopsylla boxi&#44; Ectinorus</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">ixanus</span> and <span class="elsevierStyleItalic">Ectinorus</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">hapalus</span> for Santa Cruz&#44; extending the southernmost limit of their geographical distribution&#46; Also&#44; for <span class="elsevierStyleItalic">A&#46; boxi</span> and <span class="elsevierStyleItalic">T&#46; argentina</span> we describe the morphology of the aedeagus&#44; so far unknown&#46; Results extend the morphological information of fleas and contribute to the knowledge of Patagonian biodiversity&#46;</p>"
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        "resumen" => "<p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Para la Patagonia se ha mencionado una gran diversidad de pulgas par&#225;sitas de roedores sigmodontinos&#46; Varias de estas pulgas se han descrito con localidad tipo en la regi&#243;n&#44; incluyendo varios taxones end&#233;micos&#46; Sin embargo&#44; para muchas especies las descripciones originales son breves y no existen nuevos aportes morfol&#243;gicos&#46; En el presente estudio se registran 8 especies de pulgas &#40;Ctenophthalmidae&#44; Rhopalopsyllidae y Stephanocircidae&#41; parasitando roedores sigmodontinos de la Patagonia argentina&#46; Se reportan 19 asociaciones par&#225;sito-hu&#233;sped nuevas&#44; adem&#225;s&#44; todas las pulgas estudiadas extienden su distribuci&#243;n geogr&#225;fica conocida&#46; Entre ellas&#44; <span class="elsevierStyleItalic">Tiarapsylla argentina</span> se menciona por primera vez para la Patagonia&#59; <span class="elsevierStyleItalic">Craneopsylla minerva&#44; Sphinctopsylla ares&#44; Polygenis</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">rimatus</span> y <span class="elsevierStyleItalic">Polygenis</span> &#40;<span class="elsevierStyleItalic">P&#46;</span>&#41; <span class="elsevierStyleItalic">platensis</span> se registran por primera vez para la provincia del Chubut y <span class="elsevierStyleItalic">Agastopsylla boxi&#44; Ectinorus</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">ixanus</span> y <span class="elsevierStyleItalic">Ectinorus</span> &#40;<span class="elsevierStyleItalic">E&#46;</span>&#41; <span class="elsevierStyleItalic">hapalus</span> para la provincia de Santa Cruz&#44; ampliando el l&#237;mite sur de su distribuci&#243;n geogr&#225;fica conocida&#46; Adem&#225;s&#44; se describe la morfolog&#237;a del aedeagus de <span class="elsevierStyleItalic">A&#46; boxi</span> y <span class="elsevierStyleItalic">T&#46; argentina</span>&#44; desconocida hasta el momento&#46; Estos resultados ampl&#237;an la informaci&#243;n morfol&#243;gica de las pulgas y contribuyen al conocimiento de la biodiversidad patag&#243;nica&#46;</p>"
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                            5 => "J&#46;A&#46; Vallerini"
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                            9 => "M&#46; Rumboll"
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        "texto" => "<p id="par0345" class="elsevierStylePara elsevierViewall">This information is part of the doctoral thesis of J&#46; S&#225;nchez&#44; carried out at the Facultad de Ciencias Naturales y Museo&#44; Universidad Nacional de La Plata&#44; Argentina&#46; We thank Ulyses Pardi&#241;as &#40;Cenpat&#41; and his team for capturing and identifying the rodents&#44; as well as for collecting their fleas&#59; Mar&#237;a Cristina Estivariz &#40;Cepave&#41; for the drawings and Luis Giambelluca &#40;Cepave&#41; for the photographs&#46; Field work was supported by the PIP-Conicet 6179 and the Agencia Nacional de Promoci&#243;n Cient&#237;fica y Tecnol&#243;gica &#40;PICT 2008-0547&#41; &#40;both to U&#46; Pardi&#241;as&#41;&#46; Research at the laboratory was funded by Universidad Nacional de La Plata&#44; Argentina &#40;N618&#41;&#44; and Agencia Nacional de Promoci&#243;n Cient&#237;fica y Tecnol&#243;gica&#44; Argentina &#40;PICT 2010&#8211;0338&#41; &#40;to ML&#41;&#46; J&#46; S&#225;nchez and M&#46; Lareschi are members of the Consejo Nacional de Investigaciones Cient&#237;ficas y Tecnol&#243;gicas&#44; Argentina&#46;</p>"
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Article information

ISSN: 18703453
Original language: English

DOI:10.7550/rmb.42071

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