Hydroporus nigellus Mannerheim, 1853

Prokin, A. A. & Sazhnev, A. S., 2019, New records of beetles from families Haliplidae, Dytiscidae, Hydraenidae, Helophoridae, Hydrophilidae, Scirtidae and Chrysomelidae (Coleoptera) from the North Caucasus, Caucasian Entomological Bulletin 15 (1), pp. 49-53 : 50

Hydroporus nigellus Mannerheim, 1853

Material. NOR: 5 ex., Irafskiy Distr. ,“Chifandzar” Sphagnum peat bog, space between Sphagnum hummocks, 42°55′08″N / 43°30′50″E, 3.06.2018 (A.A. Prokin) ; 6 ex., same locality, brook, 17.09.2018 (A.S. Sazhnev) . 1 ex., same locality, ground traps, 18– 19.09.2018 (A.S. Sazhnev); KBR, Chereksky Distr .: 18 ex., Verkhnyaya Balkaria env., Sphagnum peat bog No 3, 43°05′49″N / 43°28′44″E, 8.06.2018 (A.A. Prokin) ; 2 ex., same locality, 27.09.2018 (A.S. Sazhnev) .

Distribution. Europe, center of the European part of Russia, Georgia, Armenia, Asian Turkey, Iran, Kazakhstan, Kyrgyzstan, West Siberia and Far East of Russia, Mongolia, China (Quinghai, Sichuan), North America [ Hájek, 2017]. According our data this species is distributed only in the north of the European part of Russia and is not known from the central part. The first record for the North Caucasus.