On the subgenus Eurysunius Reitter of Türkiye X. Three new species from central northern Anatolia (Coleoptera: Staphylinidae: Paederinae, Astenus)

Three species of the subgenus Eurysunius Reitter (Coleoptera: Staphylinidae, Paederinae, Astenus) from Trkiye are described and illustrated: Astenus koszela sp. nov. (Kastamonu province), A. sinopensis sp. nov. (Sinop province), and A. hatice sp. nov. (Tokat and Amasya province). The subgenus is now represented in Trkiye by 31 species, 30 of them are only known from the country. The distributions of these species in Trkiye are mapped.