Semionenkov O.I. 2017. New species of genera Thinobius Kiesenwetter, 1844, of Thinobius pusillimus species group from the West of the European part of Russia // Russian Entomol. J. Vol.26. No.2: 105–108 [in English].
National Park “Smolensk Lakeland”, Gurievicha str. 19, Smolensk Area, Przhevalskoye 216270, Russia. E-mail: osemionenkov@yandex.ru
KEY WORDS: Coleoptera, Staphylinidae, Thinobius, T. pusillimus species group, new species, Smolensk Area.
ABSTRACT: A new species from genera Thinobius from Smolensk Area is described: T. semenovi sp.n. It is a ninth species from T. pusillimus species group a characteristic feature of which is the presence of flagellum in the structure of the aedeagus.