New records of aquatic and riparian beetles (Coleoptera) for the fauna of the Vologda Oblast (Russia) Author Sazhnev, A. S. Author Prokin, A. A. Author Komarova, A. S. Author Philippov, D. A. text Russian Entomological Journal 2022 2022-06-30 31 2 132 139 http://dx.doi.org/10.15298/rusentj.31.2.07 journal article 10.15298/rusentj.31.2.07 0132-8069 13179492 * Hydroporus discretus Fairmaire et Brisout, 1859 MATERIAL. Tarnogsky distr. : 2.6 km N of Sergievskaya vill.: Bol’shaya Salanga River , 60°16´02´´N 43°55´48´´E , ripal and on the sandbar (depth 0.3–0.7 m , current velocity 0.01–0.2 m /s, pH=7.9, sandy-rocky bottom), 17.VII.2020 , 1 ex. , DP, AK Ust-Kubinsky distr.: 0.3 km SW of Kuznetsovo vill., 59°43´17.5´´N 39°48´21.0´´E , puddle in the roadside of a dirt road (depth 0.1–0.2 m , clay bottom, pH=8.0, TDS=195 ppm), 21.VIII.2020 , 4 exs. , DP, AK. Vytegorsky distr. : 6.1 km NE of Pankratovo vill., Indomanka River , 60°48´20´´N 38°03´59´´E , puddle in the roadside of a dirt road (depth 0.1–0.3 m , clay bottom, pH=7.4, TDS=76 ppm), 1.IX.2020 , 10 exs. , DP, AK. 1.4 km E of Konetskaya vill, Piyavochnoe aapa mire, 60°46´57´´N 36°50´37´´E , flarks (depth 0.05–0.15 m , peaty bottom, pH=6.5–6.8, TDS=12 ppm), 3.IX.2020 , 11 exs. , AK, DP . * Hydroporus memnonius Nicolai, 1822 MATERIAL. Velikoustyugsky distr. : 4 km SE of Verkhnyaya Toz’ma vill., Bol’shaya Toz’ma River , 60°33´07´´N 45°14´57´´E , ripal (depth 0.1 m , sandy-rocky bottom, pH=7.8), 16.VII.2020 , 1 ex. , AK, DP.