On new and poorly known Lathrobium (s.str.) species from Siberia and the Russian Far East (Insecta: Coleoptera: Staphylinidae: Paederinae)

An annotated list of 16 Lathrobium (s.str.) species is provided, including the two new taxa: L. (s.str.) generosum sp.n. from the NE Irkutsk Area and L. (s.str.) ishiharai ursinum ssp.n. from the NE Amur Area; L. (s.str.) viduum Eppelsheim, 1893 is redescribed, its aedeagus and female terminalia are illustrated for the first time; L. (s. stx.)japonicum kunashiriense Y. Watanabe, 2004 is placed in the synonymy of L. (s. str.)japonicum Bernhauer, 1907. New faunistic data on Siberian and Far Eastern localities are given for all the species listed. Some short additional data are provided also for other territories of the former USSR.