New records of aquatic and riparian beetles (Coleoptera) for the fauna of the Vologda Oblast (Russia)
Thirty species of aquatic and riparian beetles (Coleoptera) from six families: Gyrinidae (1 species), Dytiscidae (14), Helophoridae (2), Hydrophilidae (5), Hydraenidae (7), and Limnichidae (1) are recorded for the Vologda Oblast for the first time. Ochthebius foveolatus and O. flavipes are recorded for North European Territory of Russia for the first time. Record of Gyrinus pullatus from Vologda Oblast is the southernmost in European part of Russia. The presence of Enochrus bicolor and Riolus nitens in the Vologda Oblast is confirmed by new findings.