Mycoparasite Infection of Daphnia cucullata Sars, 1862 (Crustacea, Cladocera, Daphniidae) in Lake Pleshcheyevo (Yaroslavl Region, Russia)
The distribution of the mycoparasite <i>Aphanomyces patersonii</i> and the level of infestation of cladocerans <i>Daphnia cucullata</i> in Lake Pleshcheyevo in summer 2020 are described. The high prevalence of mycoparasites (42%) is characteristic of the epilimnion in the lake deep part with a high abundance of <i>D. cucullata</i>.