First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, Argentina
The studies of helminth parasites in Argentine amphibians have focused on the Dry and Humid Chaco ecoregions; in the Dry Chaco the reports are from the Chaco and Formosa provinces. The aim of this work was to report the first record of Aplectana hylambatis (Baylis, 1927) Travassos, 1931 (Nematoda:...
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Universidad Nacional Autónoma de México
2025-02-01
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| Series: | Revista Mexicana de Biodiversidad |
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| Online Access: | https://revista.ib.unam.mx/index.php/bio/article/view/5370 |
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| author | Maria Alejandra Villegas-Ojeda Guido Fernández-Marinone Mariana Jofré Cynthya González |
| author_facet | Maria Alejandra Villegas-Ojeda Guido Fernández-Marinone Mariana Jofré Cynthya González |
| author_sort | Maria Alejandra Villegas-Ojeda |
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The studies of helminth parasites in Argentine amphibians have focused on the Dry and Humid Chaco ecoregions; in the Dry Chaco the reports are from the Chaco and Formosa provinces. The aim of this work was to report the first record of Aplectana hylambatis (Baylis, 1927) Travassos, 1931 (Nematoda: Cosmocercidae) from San Luis
province and the southernmost record for the Dry Chaco ecoregion. Specimens of Rhinella arenarum (Hensel, 1867) (n = 6), Leptodactylus mystacinus (Burmeister, 1861) (n = 13), and Odontophrynus cf. asper (n = 6) were analyzed. Specimens of A. hylambatis were collected from the large intestine of these hosts and were studied using light and scanning electron microscopy (SEM). In addition, relevant features are described, including the number and arrangement of caudal papillae, and of mamelon-like cuticular protuberances associated to the vulva. The morphological characteristics are compared and discussed in relation to those of specimens collected from other hosts in other localities of the country. The presence of A. hylambatis in localities of the Dry Chaco represents an expansion of the geographic range of this cosmocercid and the first record in L. mystacinus and O. cf. asper from
Argentina.
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| format | Article |
| id | doaj-art-e1953598b61f41f7852e7d14384db147 |
| institution | OA Journals |
| issn | 1870-3453 2007-8706 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Universidad Nacional Autónoma de México |
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| series | Revista Mexicana de Biodiversidad |
| spelling | doaj-art-e1953598b61f41f7852e7d14384db1472025-08-20T01:49:19ZengUniversidad Nacional Autónoma de MéxicoRevista Mexicana de Biodiversidad1870-34532007-87062025-02-019610.22201/ib.20078706e.2025.96.5370First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, ArgentinaMaria Alejandra Villegas-Ojeda0Guido Fernández-Marinone1Mariana Jofré2Cynthya González3Universidad Nacional de San LuisUniversidad Nacional de San Luis Universidad Nacional de San LuisUniversidad Nacional del Nordeste The studies of helminth parasites in Argentine amphibians have focused on the Dry and Humid Chaco ecoregions; in the Dry Chaco the reports are from the Chaco and Formosa provinces. The aim of this work was to report the first record of Aplectana hylambatis (Baylis, 1927) Travassos, 1931 (Nematoda: Cosmocercidae) from San Luis province and the southernmost record for the Dry Chaco ecoregion. Specimens of Rhinella arenarum (Hensel, 1867) (n = 6), Leptodactylus mystacinus (Burmeister, 1861) (n = 13), and Odontophrynus cf. asper (n = 6) were analyzed. Specimens of A. hylambatis were collected from the large intestine of these hosts and were studied using light and scanning electron microscopy (SEM). In addition, relevant features are described, including the number and arrangement of caudal papillae, and of mamelon-like cuticular protuberances associated to the vulva. The morphological characteristics are compared and discussed in relation to those of specimens collected from other hosts in other localities of the country. The presence of A. hylambatis in localities of the Dry Chaco represents an expansion of the geographic range of this cosmocercid and the first record in L. mystacinus and O. cf. asper from Argentina. https://revista.ib.unam.mx/index.php/bio/article/view/5370Aplectana hylambatisBufonidaeCosmocercidaeDry ChacoLeptodactylidaeOdontophrynidae |
| spellingShingle | Maria Alejandra Villegas-Ojeda Guido Fernández-Marinone Mariana Jofré Cynthya González First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, Argentina Revista Mexicana de Biodiversidad Aplectana hylambatis Bufonidae Cosmocercidae Dry Chaco Leptodactylidae Odontophrynidae |
| title | First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, Argentina |
| title_full | First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, Argentina |
| title_fullStr | First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, Argentina |
| title_full_unstemmed | First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, Argentina |
| title_short | First report of Aplectana hylambatis (Nematoda: Cosmocercidae) in amphibians from the San Luis province, Argentina |
| title_sort | first report of aplectana hylambatis nematoda cosmocercidae in amphibians from the san luis province argentina |
| topic | Aplectana hylambatis Bufonidae Cosmocercidae Dry Chaco Leptodactylidae Odontophrynidae |
| url | https://revista.ib.unam.mx/index.php/bio/article/view/5370 |
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