On Stenus Fauna Of Ne European Russia (Insecta: Coleoptera: Staphylinidae: Steninae) Author Ryvkin, Alexandr B. text Acta Biologica Universitatis Daugavpiliensis 2018 18 1 69 79 journal article 10.5281/zenodo.12648730 1407-8953 12648730 Stenus ( Nestus ) crassus Stephens, 1833 crassus Stephens, 1833: 287 crassus ; Poppius, 1908a: 12 crassus ; Poppius, 1909: 20 Material. Arkhangelsk Area : 1 male (AR): Plesetsk cosmodrome. 25.04.1989 . I.A.Ushakov leg.