New species of Tychus from Greece and Turkey (Coleoptera, Staphylinidae, Pselaphinae)

Six new species of Tychus Leach, 1817 are described: T. triumphator Sabella sp. n. from Lesbos Island (Greece) and T. meybohmi Brachat sp. n. from central Turkey (dalmatinus group), T. nothus Sabella sp. n. from central Turkey (lederi group), T. assingi Brachat sp. n. from Turkey (rhodopeus group), T. moecha Kurbatov sp. n. from Lesbos Island (Greece) (florentinus group), and T. sellarius Kurbatov sp. n. from Turkey (incertae sedis).The females of Tychus sodalicius Kurbatov, 2011, T. spurius Sabella, 2011 and T. grassator Sabella, 2011 are described for the first time with particular regard on the shape of antennae and telisternite. Also the telisternites of females paratypes of T. latebrosus Besuchet, 2011 and T. altivagus Besuchet, 2011 are illustrated for the first time.New localities for T. latebrosus Besuchet, 2011, T. olor Sabella & Kurbatov, 2002 and T. balcanicus Reitter, 1902 are reported.