Microturbellarians (Platyhelminthes: Catenulida, Rhabditophora) of the "Golubye lakes" nature reserve (the Midle Volga)
13 species of miсroturbellarians (Platyhelminthes: Catenulida, Rhabditophora) were found during the study of Big and Small Blue lakes (the nature reserve «Golubye lakes», the Middle Volga region) in 2014-2015. The characteristic of the species composition of the worms was provided; the most common species, marked for all investigated lakes is Gyratrix hermaphroditus Ehrenberg, 1831. Microdalyellia kupelwieseri (Meixner, 1915), previously known from the Leningrad region of Russia, first noted for the Volga basin reservoirs.