The specimens in this study were obtained in the Environmental Impact Assessment study (EIA) in 2013 and post-construction monitoring study in 2019 within the scope of the Trans Anatolian Natural Gas Pipeline (TANAP) project. As a result of the studies Tipula (Lunatipula) tanap sp. n. Koc & Can is described and diagnostic characters are illustrated. The distributions of new species are mapped. It distinguished from related congeners by the difference of ovipositor and sternite 8 shape of the ventral process of the aedeagus.