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Loss of helminth species diversity in the large hairy armadillo Chaetophractus villosus on the Tierra del Fuego Island, Argentina

Published online by Cambridge University Press:  12 February 2015

M.C. Ezquiaga ,
A.M. Abba  and
G.T. Navone
M.C. Ezquiaga*
Affiliation:
Centro de Estudios Parasitológicos y de Vectores CEPAVE (CCT La Plata-CONICET-UNLP), Boulevard 120 entre Av. 60 y calle 64, 1900La Plata, Argentina
A.M. Abba
Affiliation:
División Zoología Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional La Plata, Paseo del Bosque s/n, 1900La Plata, Argentina
G.T. Navone
Affiliation:
Centro de Estudios Parasitológicos y de Vectores CEPAVE (CCT La Plata-CONICET-UNLP), Boulevard 120 entre Av. 60 y calle 64, 1900La Plata, Argentina
*
*E-mail: cecilia@cepave.edu.ar
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Abstract

The aim of this work is to compare the taxonomic diversity of parasite species of the large hairy armadillo Chaetophractus villosus in its native range and in another recently introduced population (Tierra del Fuego island), and to evaluate whether the isolation of the latter determines a decrease in its parasitic diversity. Forty specimens from Buenos Aires and Tierra del Fuego Provinces were collected and examined for helminths. Eleven parasite species were found in the native population, and only one species was present in Tierra del Fuego (Trichohelix tuberculata). This may be explained because isolation and climatic conditions prevent encounters between potential host species and infective forms of parasites. Further sampling will be needed throughout the entire Patagonia steppe to confirm how the characteristic parasitic fauna of C. villosus behaves across the armadillo's southern distribution.

Type
Short Communications
Information
Journal of Helminthology , Volume 90 , Issue 2 , March 2016 , pp. 245 - 248
Copyright
Copyright © Cambridge University Press 2015 

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