Syngrapha interrogationis transbaicalensis (Staudinger, 1892): E.Siberia, Irkutsk province, Ust-Orda envir., Kharat, at UV-light, 24-VII-1974, leg. E.Berlov The forewing length is 17 mm. det. L.Lehmann E.Siberia, Irkutsk Province, Lena river, Nature Reserve «Baikalo-Lenskyi», cordon Chanchur, at light, 22-VII-2007, leg. O.Berlov The forewing length is 16 mm. det. E.Berlov