52. Hydrophorus cinipunctus Negrobov, 1975

Material examined. 1♂, Khabarovsky Terr., Vysokogornyi vil. env., Kenai station . 9.08.1972, along road, O. P. Negrobov ; 21♂, 14♀, Khabarovsky Terr., Vysokogornyi vil., 15, 16, 17.07.1974, on water surface at river shore, grass at rivulet, A. Barkalov ; 2♂, 1♀, Khabarovsky Terr., Vysokogornyi vil., 11.07.1974, taiga, O. P. Negrobov ; 1♂, 4♀, Khabarovsky Terr., Vysokogornyi vil., 13.08.1974, grass at rivulet, O. P. Negrobov ; 1♂, Amur Region, 52 km N Zeya town, 25.07.1982, V. V. Zlobin .

Distribution. Type locality: Russia: “Umgebung von Petropawlowsk-Kamtschatskij Nogomy.” Palaearctic: Mongolia, Russia (Buryatia, Kamchatka, Khabarovsk, Yakutia). First record from Amur Region.