New records of beetles from families Haliplidae, Dytiscidae, Hydraenidae, Helophoridae, Hydrophilidae, Scirtidae and Chrysomelidae (Coleoptera) from the North Caucasus Author Prokin, A. A. Author Sazhnev, A. S. text Caucasian Entomological Bulletin 2019 15 1 49 53 http://dx.doi.org/10.23885/181433262019151-4953 journal article 10.23885/181433262019151-4953 2713-1785 8145606 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.