PARAPHARYNGODON SANJUANENSIS (NEMATODA: PHARYNGODONIDAE) PARASITIZING PHYMATURUS CF. PALLUMA (IGUANIA, LIOLAEMIDAE) IN SAN JUAN PROVINCE, ARGENTINA

Authors

  • Gabriel Natalio Castillo Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de San Juan. Av. Ignacio de la Roza 590, 5402, San Juan, Argentina. 2CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas). Av. Ignacio de la Roza 590, 5402, San Juan, Argentina. Gabinete de investigación DIBIOVA (Diversidad y Biología de Vertebrados del Árido). Universidad Nacional de San Juan. Av. Ignacio de la Roza 590, 5402, San Juan, Argentina. https://orcid.org/0000-0003-1519-9457
  • Juan Carlos Acosta Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de San Juan. Av. Ignacio de la Roza 590, 5402, San Juan, Argentina. Gabinete de investigación DIBIOVA (Diversidad y Biología de Vertebrados del Árido). Universidad Nacional de San Juan. Av. Ignacio de la Roza 590, 5402, San Juan, Argentina. https://orcid.org/0000-0003-2524-3474

DOI:

https://doi.org/10.24039/rnh20221621485

Keywords:

Nematodes, Parapharyngodon sanjuanensis, San Juan, White lagoon

Abstract

Within the oxiuros, the genus Parapharyngodon is characterized by parasitizing mainly reptiles. In Argentina, up to now four species of Parapharyngodon spp. have been mentioned; Parapharyngodon sanjuanensis Ramallo, Bursey, Castillo & Acosta, 2016, Parapharyngodon riojensis Ramallo, Bursey & Goldberg, 2002, Parapharyngodon bainae Pereira, Sousa & Lima, 2011 and Parapharyngodon sceleratus Freitas, 1957. We mention the first record of the nematode P. sanjuanensis in the lizard Phymaturus cf. Palluma Molina, 1782 in the locality of Laguna Blanca, San Juan province, Argentina. Two male specimens of P. cf. palluma were analyzed. 65 nematodes P. sanjuanensis (2 males and 63 females) were recorded, with mean intensity of 32.5 and prevalence of 100%. Morphometric data for males and females are provided. The genus Phymaturus are the reptiles with the highest parasitic intensities of reptiles in Argentina. This is probably associated with its herbivorous diet and limited range of action. We mention a new parasite-host interaction, expanding the geographic distribution of the parasite.

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References

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Published

2022-10-27

How to Cite

Castillo, G. N. ., & Acosta, J. C. . (2022). PARAPHARYNGODON SANJUANENSIS (NEMATODA: PHARYNGODONIDAE) PARASITIZING PHYMATURUS CF. PALLUMA (IGUANIA, LIOLAEMIDAE) IN SAN JUAN PROVINCE, ARGENTINA. Neotropical Helminthology, 16(2), 141–146. https://doi.org/10.24039/rnh20221621485

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Artículos Originales