Helminths of the Ezo Brown Frog, Rana pirica (Ranidae), from Hokkaido Island, Japan

Abstract

Rana pirica Matsui, endemic to Hokkaido Island, Japan, was examined for helminths. One species of Monogenea, Polystoma ozakii; three species of Nematoda, Cosmocercoides pulcher, Oswaldocruzia socialis, and Rhabdias nipponica; and one species of Acanthocephala, Acanthocephalus lucidus, were found. Rana pirica represents a new host record and Hokkaido Island a new locality record for O. socialis, R. nipponica, and A. lucidus. None of the helminths found in this study is restricted to Hokkaido Island.