Eight new species of Trichoptera from Turkey are described in this paper:Agapetus karabagi, Synagapetus anatolicus, Stactobiella celtikci, Ernodes anatolicus, Psilopteryx turcicus, Drusus demirsoyi, Drusus bayburtiiandDrusus kazanciae.A redescription ofDrusus caucasicusnew faunistic records and examples of the variation of male genitalia of theHydropsyche mahrkushaare given.