New data on the distribution and bilogy of water beetles (Coleoptera: Haliplidae, Dytiscidae, Helophoridae, Georissidae, Hydrophilidae, Limnichidae, Curculionidae) in Russia
The first records of Bothriophorus atomus Mulsant et Rey, 1852; Limnichus incanus Kiesenwetter, 1851 (Limnichidae); Bagous bagdatensis Pic, 1904 and Bagous geniculatus Hochhult, 1847 (Curculionidae) are made for Russia. Helophorus uvarovi Angus, 1985 (Helophoridae) first time is reported for European part of Russia. The north borders of range within Russia specified for Cybister lateralimarginalis (DeGeer, 1774) (Dytiscidae); Limnoxenus niger (Gmelin, 1790); Paracymus aeneus (Germar, 1824); Hydrophilus piceus (Linnaeus, 1758) (Hydrophilidae ) and east ones for Laccobius albipes Kuwert, 1890; L. gracilis Motschulsky, 1855; L. simulatrix d' Orchymont, 1932 and L. striatulus (Fabricius, 1801) (Hydrophilidae). New records of little-known in Russia species Haliplus zacharenkoi Gramma in Gramma et Prisny, 1973 (Haliplidae); Agabus fulvaster Zaitzev, 1906 (Dytiscidae); Helophorus angustatus Motschulsky, 1860; H. barbarae Angus, 1985 (Helophoridae); Georissus costatus Laporte de Castelnau, 1840 (Georissidae); Enochrus segmentinotatus (Kuwert, 1888); E. nigritus (Sharp, 1872) (Hydrophilidae); Pelochares versicolor (Waltl, 1838) (Limnichidae); Bagous dieckmanni Gratshev, 1993 (Curculionidae) are presented. The information on biological features of some species are clarified. The first time preliminary data on the immature stages G. costatus are presented.