Preliminary faunistic study on the rove beetles (Coleoptera: Staphylinidae) of Republic of Dagestan, with some additional information from northern Caucasus.

A checklist of rove beetles recorded from the Republic of Dagestan (221 species) is given, with 47 new records from this region. The genus Oedichirus Erichson, 1839 (Oedichirus rubronotatus Pic, 1903) and species Stenus turk Puthz, 1972 are new additions to the fauna of Russia. Two new synonyms are established: Xantholinus dagestanicus Bordoni, 2011 syn. nov. and X. circassicus Bordoni, 2011 syn. nov. (both =Xantholinus variabilis Hochhuth, 1851).