Cercyon (Dicyrtocercyon) ustulatus (Preyssler, 1790), 1904

Litovkin, S. V. & Efimov, D. A., 2020, Beetles of the superfamily Hydrophiloidea of Kemerovo Area, Russian Entomological Journal 29 (1), pp. 61-68 : 66

44. Cercyon (Dicyrtocercyon) ustulatus (Preyssler, 1790) **

Figs 2, 4, 6 .

MATERIAL EXAMINED. Krapivinskiy Distr. , “Azhendarovo”, lake, 54°45´46´´N 87°01´49´´E, 20.V.2012, DE (1 ex.) ; Tyazhynskiy Distr. , Kamyshlovka, 55°58´N 88°32´E, bog, 10.VI.2015, DE (1 ex.) ; Izhmorskiy Distr. , near Glukharinka, river, 11.VII.2018, DE (2 exs.) .

DISTRIBUTION. Europe, Turkey, Iran [ Fikáček et al., 2015; Przewoźny, 2019], Canada, USA (introduced) [ Hansen, 1999]. Here this species is reliably recorded from Western Siberia for the first time.

REMARKS. An earlier reports of the species for Siberia [ Zaitsev, 1908] has not yet been supported by factual material [ Ryndevich, 2008]. Siberia has been excluded from the species range in new catalogs [e.g. Fikáček et al., 2015].

Figures

Figs 1–6. Hydrophiloidea of Kemerovo Area: 1 — Helophorus aspericollis; 2, 4, 6 — Cercyon ustulatus; 3, 5 — Cryptopleurum crenatum; 1–3 — general view; 4 — meso- and metathorax; 5–6 — aedeagi. Рис. 1–6. Hydrophiloidea Кемеровской области: 1 — Helophorus aspericollis; 2, 4, 6 — Cercyon ustulatus; 3, 5 — Cryptopleurum crenatum; 1–3 — обЩий вид; 4 — средне- и Заднегрудь; 5–6 — гениталии самцов.