? Chironomus reductus (Lenz, 1924):

Meriç River (Özkan & Elipek 2006; Özkan 2010a), Karademir dam (Malkara), Kayali Dam (Kırklareli), Karagöl Lake (Tekirdağ), Kuzuldere (Tekirdağ) (Özkan 2006a), Sakarya river (Şahin 1987c), Kesikköprü dam (Ahıska 2009). Note: Nomen dubium . Unable to verify on current nomenclature lists sensu GBIF (2023), and questionable taxonomic status sensu BaltiCheck (2019).