Contribution to the knowledge of the fauna of the tribe Omaliini McLeay, 1825 (Coleoptera: Staphylinidae: Omaliinae) of the Baikal region and adjacent territories

A list of 30 species in 9 genera of Omaliini McLeay, 1825 from the Baikal region and adjacent territories is provided. A description of Pycnoglypta cornuta Shavrin, sp.n. (Cis- and Transbaikalia) is presented. Forebody and aedeagus of Omalium subsolanum Herman, 2001 and the holotype of Omalium longicorne Luze, 1906 are illustrated. New records of Dropephylla puella J. Sahlberg, 1880, Omalium caesum Gravenhorst, 1806, O. curtipenne Miiklin, 1878, O. oxyacanthae Gravenhorst, 1806, O. subsolanum Herman, Phloeonomus (Phloeonomus) pusillus (Gravenhorst, 1806), Phloeostiba lapponica (Zetterstedt, 1838), Pycnoglypta campbelli Gusarov, 1995, P. heydeni Eppelsheim, 1886, P. lurida (Gyllenhal, 1813) and P. sibirica Maklin, 1878 are given, including new records of P. campbelli for the Palaearctic region, O. caesum for Siberia, P. lurida for Western Siberia and the Krasnoyarsk area of Eastern Siberia, O. subsolanum for Irkutsk and the Chita area, O. curtipenne for Butyatia republic, D. puella, O. oxyacanthae, Ph. lapponica and P. sibirica for the Chita area, Ph. pusillus for the Amur area and P. heydeni for the Krasnoyarsk area.