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Spatio-temporal variation and the use of host body surface by ectoparasites of the chelonians Phrynops geoffroanus and Mesoclemmys tuberculata in areas of the Caatinga and Atlantic Forest in northeast Brazil

  • Daniel O. SantanaEmail author
  • Rafael Eiji Iwama
  • Adonias A. M. Teixeira
  • Geraldo J. B. Moura
  • Renato G. Faria
  • Daniel O. Mesquita
Immunology and Host-Parasite Interactions - Original Paper
  • 7 Downloads

Abstract

Ectoparasites such as hematophagous leeches and monogeneans are common in chelonians, occupying different parts of the body. Thus, the present study aimed to identify and describe the fauna of ectoparasites that infest Phrynops geoffroanus and Mesoclemmys tuberculata to evaluate the effect of host conditions and seasonality (dry and rainy season) on the abundance and composition of ectoparasites. We verified the presence of ectoparasites in 73.2% of the examined turtles, with four species of leeches belonging to Glossiphoniidae, Haementeria brasiliensis sensu Cordero, 1937, Helobdella cf. adiastola, Haementeria sp1., and Haementeria sp2., and one monogenean Polystomatidae, Polystomoides brasiliensis. For both chelonians, we observed a significant difference in the abundance of ectoparasites in relation to sex, biome, and season, which was unrelated to length and mass. Leeches were more frequent in the cavities of the hind limbs in P. geoffroanus, and the anterior limbs of M. tuberculata. The general spatial niche overlap of ectoparasites was high, except for that of the monogenean P. brasiliensis, which did not overlap with those of other leech species. The present study is the first report of the presence of H. brasiliensis and P. brasiliensis parasitizing M. tuberculata, and Helobdella cf. adiastola in a phoretic relationship with P. geoffroanus and M. tuberculata. Finally, the differences in infestation levels may reflect ecological factors, differences in behavioral patterns of the hosts, and different anthropic alterations suffered in the Caatinga and Atlantic Forest biomes.

Keywords

Hirudinea Leeches Monogenae Niche breadth Overlap Host 

Notes

Acknowledgments

Santana is supported by a fellowship from The Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq). We wish to thank CNPq for the research fellowship to DOM. Specimens were collected with permission from Instituto Chico Mendes de Conservação da Biodiversidade - ICMBio (SISBIO no. 38724-1; date of issue: April 15, 2013).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.

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Authors and Affiliations

  1. 1.Programa de Pós-Graduação em Ciências Biológicas (Zoologia)Universidade Federal da Paraíba, Cidade UniversitáriaJoão PessoaBrazil
  2. 2.Laboratório de Poliquetologia (LaPol), Departamento de Zoologia, Instituto de BiociênciasUniversidade de São Paulo (USP)São PauloBrazil
  3. 3.Department of Natural HistoryRoyal Ontario MuseumTorontoCanada
  4. 4.Department of Ecology and Evolutionary BiologyUniversity of TorontoTorontoCanada
  5. 5.Laboratório de Estudos Herpetológicos e Paleoherpetológicos, Departamento de BiologiaUniversidade Federal Rural de PernambucoRecifeBrazil
  6. 6.Programa de Pós-graduação em Ecologia e ConservaçãoUniversidade Federal de SergipeSão CristóvãoBrazil

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