Review of species of genus Cercyon Leach, 1817 of Russia and adjacent regions. IV. Subgenera Paracycreon Orchymont, 1942 and Dicyrtocercyon Ganglbauer, 1904 (Coleoptera: Hydrophilidae)

Abstract

Morphological diagnoses, distribution and environmental preferences of species of the subgenera Paracycreon Orchymont, 1942 and Dicyrtocercyon Ganglbauer, 1904 from Russia and adjacent regions are presented. Cercyon (Paracycreon) noctuabundus Shatrovskiy is recorded from the Oriental Region for the first time.