Water beetles (Insecta: Coleoptera) of Khakassia Republic. Families Haliplidae, Noteridae, Dytiscidae, Gyrinidae and Hydrophilidae Author Kuzhuget, Ch. N. text Russian Entomological Journal 2025 2025-03-31 34 1 64 70 https://doi.org/10.15298/rusentj.34.1.05 journal article 10.15298/rusentj.34.1.05 0132-8069 16967695 * Hydroglyphus geminus (Fabricius, 1792) MATERIAL EXAMINED. 15 : 21.VII.2018 , 7 ex. ; 12 : 23.VII.2018 , 2 ex. ; 11 : 23.VII.2018 , 1 ex. ; 10 : 23.VII.2018 , 3 ex. ; 8 : 24.VII.2018 , 7 ex. ; 18 : 24.VIII.2019 , 1 ex. ; 25 : 17.VII.2020 , 1 ex. (S.- V . Dragan).