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Nematode infection patterns in a Neotropical lizard species from an insular mountain habitat in Brazil

Published online by Cambridge University Press:  28 October 2016

A.B.H.P. Václav ,
L.A. Anjos ,
M.S. Queiróz ,
L.B. Nascimento  and
C.A.B. Galdino
A.B.H.P. Václav
Affiliation:
PET Biologia PUC Minas – MEC/SESu, Pontifícia Universidade Católica de Minas Gerais, 30535-901, Belo Horizonte, Brazil Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, 30535-610, Belo Horizonte, Brazil
L.A. Anjos
Affiliation:
Departamento de Biologia e Zootecnia, Laboratório de Parasitologia e Zoologia, UNESP, Universidade Estadual Paulista, FEIS, Passeio Monção 226, CEP 15385-000, Ilha Solteira, Brazil
M.S. Queiróz
Affiliation:
Departamento de Biologia e Zootecnia, Laboratório de Parasitologia e Zoologia, UNESP, Universidade Estadual Paulista, FEIS, Passeio Monção 226, CEP 15385-000, Ilha Solteira, Brazil
L.B. Nascimento
Affiliation:
Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, 30535-610, Belo Horizonte, Brazil
C.A.B. Galdino*
Affiliation:
Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, 30535-610, Belo Horizonte, Brazil
*
*E-mail: galdinoc@gmail.com
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Abstract

Neotropical lizards are known to harbour rich nematode parasite faunas; however, knowledge of the diversity and patterns of infection are still lacking for many species. This is true for the genus Tropidurus, in which data on patterns of parasitism are known for only approximately 11 of its 30 species. We show that the nematode fauna associated with a population of Tropidurus montanus is composed of three species of host-generalist parasites with high overall prevalence. Male and female lizards did not differ in infection pattern and there was no relationship between host body size and intensity of infection for the most prevalent parasite species. Nevertheless, overall prevalence changed seasonally, with a higher proportion of parasitized individuals being found in the dry period than in the rainy period. We discuss our findings in the context of diet patterns of T. montanus, which we suggest may explain the similarities in prevalence and intensity of infection between the sexes. In addition, seasonal changes in diet are considered to be related to the observed differences in prevalence between dry and rainy periods.

Type
Research Papers
Information
Journal of Helminthology , Volume 91 , Issue 5 , September 2017 , pp. 578 - 582
Copyright
Copyright © Cambridge University Press 2016 

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All authors consented to participation in the study and agreed upon the content of the article.

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