The first record of Bibloplectus spinosus Raffray, 1914 (Coleoptera: Staphylinidae: Pselaphinae) in Russia

A reliable record of the species Bibloplectus spinosus Raffray, 1914 (Coleoptera: Staphylinidae: Pselaphinae) is presented for the territory of Russia for the first time. Thus, records of B. spinosus in Saratov Region of Russia are the easternmost in the species range. A photo of the aedeagus is provided. With this new finding, the genus Bibloplectus Reitter, 1881 is now represented in the fauna of Russia by five species, for all of which drawings of the aedeagi are presented for an express identification.