The Helminth Fauna Study of European Common Toad in the Volga Basin.

In this paper we considered information on the helminth fauna of the European common toad Bufo bufo (Linnaeus 1758) from 5 regions of the Volga basin. This study includes consolidated data of different authors over the last 30 years, supplemented by the results of our own research. There are reliably known finds of 14 species of helminths: Trematoda-8, Nematoda-6. Trematodes Gorgodera asiatica Pigulevsky, 1945 and Astiotrema monticelli, Stossich 1904, mtc, were observed for the first time in a given host on the territory of Russia and the Volga basin. Four species of nematodes make the basis of helminth fauna: Rhabdias bufonis, Oswaldocruzia filiformis, Aplectana acuminata and Neoxysomatium brevicaudatum. For each species of helminths, the following information is included: taxonomic position, localization, area of detection, biology, definitive hosts, geographic distribution, and the degree of host-specificity. [ABSTRACT FROM AUTHOR]