? Diamesa discoloriventris (Şahin, 1991):

Tozkoporan creek (Keban Lake, Elazığ) (Şahin 1991), Blacksea region (Gültutan & Kazancı 2009), Eastern Blacksea region (Gültutan & Kazancı 2010), Çanakkale region (Özkan 2007), Thrace region (Özkan 2010a). Note: Nomen dubium sensu Ashe & O’Connor (2009) .