Superfamily HYDROPHILOIDEA (atlas of beetles of Russia) Family Hydrophilidae (atlas of water scavenger beetles of Russia) Genus Hydrophilus Mueller, 1764 (atlas of Russian species)
Hydrophilus acuminatus (Motschulsky, 1853) Male. Russian Far East, Ussuriisk envir., Kaimanovka, at UV-light, 8-VIII-1972, leg. E.Berlov. The body length is 40 mm.