* D. bisignatum Jakovlev, 1899: 66

Type information: Lectotype ♂, ex collection P. Semenov, Collection of Zoological Institute of the Russian Academy of Sciences, Saint-Petersbourg [type locality ‘ Artvin ’ (Turkey)]

Provincial distribution in Turkey: TR-A: ART (Jakovlev 1899; Plavilstshikov 1958; Breuning 1962a; Breuning and Villiers 1967; Löbl and Smetana 2010; Özdikmen 2010, 2012; Bernhauer and Peks 2013b; Danilevsky 2015a)

Range: A: TR