Ostrinia palustralis (Hübner, 1796): E.Siberia, Irkutsk province, Ust-Orda envir., Kharat, at UV-light, 25-VI-1973, leg. E.Berlov The forewing length is 18 mm. det. L.Lehmann E.Siberia, 10 km E Irkutsk, at light, 22-VI-2006, leg. E.Berlov The forewing length is 18,5 mm. det. E.Berlov E.Siberia, 10 km E Irkutsk, at light, 29-VI-2006, leg. E.Berlov The forewing length is 16,5 mm. det. E.Berlov