Superfamily STAPHYLINOIDEA (atlas of beetles of Russia) Family Staphylinidae (atlas of rove beetles of Russia) Subfamily Staphylininae
Ontholestes tesselatus (Geoffroy, 1785). Male E.Siberia, upper Lena, "Baikalo-Lenskiy" reserve, Yukhta-1 river valley, cordon "Narty", in horse-dung, 11-VI-2003, leg. O.Berlov The body length is 18 mm.