Superfamily STAPHYLINOIDEA (atlas of beetles of Russia)
Family Staphylinidae (atlas of rove beetles of Russia)
Subfamily Oxytelinae
Bledius unicornis (Germar, 1825)
Kalmykia, Chernozemelskiy, 20-30.V.1981, N.S. Kalyuzhnaya
Photo from the site of Konstantin Grebennikov http://rove.front.ru