Water beetles (Coleoptera: Gyrinidae, Noteridae, Dytiscidae) of the forest-steppe of Kemerovo region Author Budaev, F. A. Author Eremeeva, N. I. Author Efimov, D. A. Author Zinchenko, V. K. text Far Eastern Entomologist 2019 2019-05-04 382 13 24 http://dx.doi.org/10.25221/fee.382.3 journal article 10.25221/fee.382.3 2713-2196 Gyrinus ( Gyrinus ) opacus C.R. Sahlberg, 1819 MATERIAL. Azhendarovo, lake, 13.VII 2015 , 9 ex. (FB). DISTRIBUTION. Russia (the north of the European part, tundra of the Northern Urals and Siberia, the north of the Far East, Kamchatka , the northern Kuril Islands), North Europe, Mongolia , Greenland , North America.