Peculiarities of species composition and indices of infestation by helminths moor frog Rana arvalis nilsson 1842 in the conditions of transformation of habitats in the Bashkortostan Republic

The article presents data on species composition, infestation rate of helminths of Rana arvalis in the urbanized territories of the Republic of Bashkortostan. The taxonomic composition of helminths in the study area includes 9 species belonging to trematodes (4 species) and nematodes (5 species). It is noted that with the increase of habitat transformation, the invasion intensity decreases for the nematode Rhabdias bufonis and remains at the same level for Oswaldokruzia filiformis.