Abstract

Proceratophrys boiei is an endemic cycloramphid anuran inhabiting the leaf litter of Atlantic rainforests in Southeastern Brazil. We analyzed the whole digestive tract of 38 individuals of Proceratophrys boiei collected in two Atlantic Rainforest areas in the state of Rio de Janeiro, Brazil, to study the diet composition and the helminth fauna associated with this species. The main food items in P. boiei's diet were Coleoptera, Orthoptera and Blattaria. Five nematode species were found: Aplectana delirae, Cosmocerca parva, Oxyascaris oxyascaris, Physaloptera sp. (larval stage only) and an unidentified nematode. Overall prevalence was 71% and mean infection intensity was 7.3 ± 5.8 neatodes per individual.

Highlights

  • The neotropical genus Proceratophrys (Anura: Cycloramphidae) is distributed mainly in Brazil, with a few species occurring in Paraguay and northern Argentina (Amaro et al 2009)

  • In this study we evaluate to what extent diet composition and ecological parameters of its endoparasite fauna vary among these populations

  • There was no relationship between frog body size and intensity of infection (F1,25 = 0.610; P = 0.440; data from both areas pooled). In both Estação Ecológica Estadual do Paraíso and Reserva Ecológica de Guapiaçu, Coleoptera, Blattaria and Orthoptera were the most constant and important prey items consumed by the Proceratophrys boiei analyzed

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Summary

Introduction

The neotropical genus Proceratophrys (Anura: Cycloramphidae) is distributed mainly in Brazil, with a few species occurring in Paraguay and northern Argentina (Amaro et al 2009). These frogs occur through a wide variety of biomes: from the Atlantic Rainforest domain (Izecksohn and Peixoto 1981, Kwet and Faivovich 2001, Prado and Pombal Jr 2008) to the Brazilian Cerrado (Eterovick and Sazima 1998, Amaro et al 2009, Moreira et al 2009), the semi-arid Caatinga (Rodrigues 2003), with one species reaching the Amazon rainforest (Giaretta et al 2000). We present the first report on its endoparasitic fauna

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