Cercyon (Cercyon) tristis (Illiger, 1801)

Sazhnev, A. S., Prokin, A. A., Komarova, A. S. & Philippov, D. A., 2022, New records of aquatic and riparian beetles (Coleoptera) for the fauna of the Vologda Oblast (Russia), Russian Entomological Journal 31 (2), pp. 132-139 : 135

* Cercyon (Cercyon) tristis (Illiger, 1801)

MATERIAL. Babushkinsky distr. : 6.5 km NW of Yurmanga settlement, Ivachikha River , 59°48´48´´N 43°00´58´´E, ripal (sandy-rocky bottom, pH=8.2, TDS=83 ppm), 14.VII.2020, 1 ex., DP, AK. Gryazovetsky distr.: 0.5 km SW of Fedorkovo vill., Lukhta River, 59°01´56´´N 40°15´46´´E, ripal (depth 0.1–0.4 m, clay-silty bottom, pH=7.7, TDS=318 ppm), 23.VIII.2020, 1 ex., AK, DP .