Cercariae of Trematodes in Snails of Bithyniidae family (Gastropoda: Prosobranchia) from the Basin of the Malye Chany Lake (South of West Siberia)
E. A. SERBINA
Abstract
Results of longstanding investigations of the species diversity of trematode parasiting at the parthenitae stage on the mollusks of Bithyniidae family of the Chany Lake are discussed. Comparative characterization of infection level of the populations of snails collected from different areas of the Chany Lake and the Kargat river (in the middle and lower river) is presented. High level of mollusk infection by trematode was accounted for, with birds being the final host. One of the 17 trematode species was found in the fauna of West Siberia for the first time, and another in the fauna of Russia. It is shown that the Chany Lake is free from any nidus of opisthorchosis.
