Peculiarities of species composition and helminthes infection rate marsh frog Pelophylax ridibundus (Pallas, 1771) in a Chelyabinsk

The data on the species composition and helminth infection rate lake frog P. ridibundus in Chelyabinsk. It was noted 7 species of trematodes Gorgodera varsoviensis, Pneumonoeces variegatus, Pleurogenes claviger, Pleurogenoides medians, Prosotocus confusus, Brandesia turgida including 1 view of the stage metacercariae - Strigea falconis.