The subgenus Eurysunius Reitter in Turkey, with the description of three new species (Coleoptera: Staphylinidae: Astenus)

Three new species of Astenus (Eurysunius) Dejean are described from Turkey: A. sundikenicus sp. n. (Eskisehir), A. turkmendagicus sp. n. (Eskisehir-Kutahya border), and A. mekeensis sp. n. (Konya). Additional records of seven species of Eurysunius as well as a checklist of the members of the genus is provided. The distribution of 25 species known in Turkey is mapped.