TWO NEW SPECIES OF THE GENUS BYTHINELLA MOQUIN-TANDON, 1856 (MOLLUSCA: GASTROPODA: HYDROBIIDAE) FROM THE WESTERN BALKAN PENINSULA)
Two new species of the genus Bythinella Moquin-Tandon, 1856, i.e. B. marici n. sp. from Bosnia and Hercegovina, and B. istoka n. sp. from Kosovo were described. The holotypes of both species as well as the penis morphology are depicted. In addition a list and distribution map of the Bythinella spp. occuring in the Western Balkan Peninsula is provided.