Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae

Sixty-three species from fi ve families of water beetles are recorded from the Khakassia Republic: Gyrinidae (5 species), Haliplidae (4), Noteridae (2), Dytiscidae (37), Hydrophilidae (15).Fifty-one species are recorded for Khakassia Republic -for the fi rst time.. 63 5 : Gyrinidae (5 ), Haliplidae (4), Noteridae (2), Dytiscidae (37), Hydrophilidae (15).51 . Material and methodsThis study is mainly based on specimens collected by the author (non indicated in the list) and S.V.