Material examined. BULGARIA: BLAGOEVGRAD PROVINCE, Pirin mountains, Kozia dolina valley, 2000 m a.s.l., 30.v.1999, 1 ♀, J. Straka leg., L. Dvořák det. & coll.; Banderica, vi.1938, 1 ♀, Hlisnikowski leg., L. Dvořák det., coll. NMPC.
Boreomontane species found in the British Isles, Sardinia, a large part of continental Europe (from Scandinavia and northern Russia to Spain [Cantabrians and Pyrenees], northern Italy, Bulgaria and southern Russia), northern Turkey, central Asia (from eastern Kazakhstan to Mongolia and the Chinese territory of Xinjiang), most of Siberia, north-eastern China, Sakhalin, Alaska, Canada, and the extreme north-eastern United States (Maine) (CARPENTER & KOJIMA 1997; DUBATOLOV 1998, 2005; GIORDANI SOIKA & BORSATO 1995; MADERO MONTERO 1988; OCHARAN et al. 2003; YILDIRIM & ÖZBEK 1992). The new localities lie at the southern boundary of its continental distribution in Europe (ATANASSOV 1942).