New data on the distribution of Helophoridae, Hydrochidae and Hydrophilidae (Coleoptera) in Russia and adjacent lands
New data on the distribution of Helophoridae, Hydrochidae, and Hydrophilidae (Coleoptera: Hydrophiloidea) species in Russia and adjacent lands are reported. New localities contributing to the knowledge of the ranges of nine species of Helophoridae, two species of Hydrochidae, and 20 species of Hydrophilidae are given. Two species are new to Russia, two to Asia, one to Armenia, one to Uzbekistan, nine to West Siberia, 11 to the Urals, 13 to the Altai, two to the Caucasus, one to Buryat Republic, five to Yamal Peninsula, and one to Vaygach Island.