Helminth Fauna of Rhinella femandezae (Anura: Bufonidae) From the Rio Grande do Sul Coastland, Brazil: Analysis of the Parasite Community

Ninety specimens of Rhinella femandezae, collected in Imbé, State of Rio Grande do Sul, Brazil, from August 2006 to April 2007, were examined for presence of helminth parasites; all were infected by at least 1 species. Thirteen species of parasites were found: 4 digeneans, 2 cestodes, 2 acanthocepha...

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Bibliographic Details
Published inThe Journal of parasitology Vol. 96; no. 4; pp. 823 - 826
Main Authors Santos, V. G. T., Amato, S. B.
Format Journal Article
LanguageEnglish
Published American Society of Parasitologists 01.08.2010
Subjects
Amphibians
Community structure
Fauna
Infections
Insect larvae
Nematode larvae
Nematodes
Parasite hosts
Parasitology
RESEARCH NOTES
Toads
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Summary:Ninety specimens of Rhinella femandezae, collected in Imbé, State of Rio Grande do Sul, Brazil, from August 2006 to April 2007, were examined for presence of helminth parasites; all were infected by at least 1 species. Thirteen species of parasites were found: 4 digeneans, 2 cestodes, 2 acanthocephalans, and 5 nematodes. Rhinella femandezae represents a new host record, as well as for Gorgoderina festoni, Cylindrotaenia americana, Acanthocephalus lutzi, Aplectana meridionalis, and Strongybides carinii. The nematodes Cosmocerca parva and A. meridionalis occurred with a prevalence of 79.1%, and, as in other Rhinella species, the nematodes dominated the parasite community. Host gender had no influence on either abundance or prevalence of the helminths, and neither the length nor weight of the hosts influenced the richness of the parasitic helminths of these burrowing toads. Only A. meridionalis and Centrorhynchus sp. (both cystacanths) exhibited a significant correlation between host length and abundance of helminths; only A. meridionalis showed a relationship between host length and prevalence.
ISSN:0022-3395
1937-2345