Mythimna (Sablia) opaca (Staudinger, 1900): E.Siberia, lake Baikal, Bolshye Koty, at UV-light, 1-VII-2010, leg. and det. I.Makhov (coll. I.Makhov) The forewing length is 14 mm. E.Siberia, E.Sayan Mts., Tunkinsky Mts. ridge near Mondy, 1800 m, 20-VI-2011, leg. and det. S.Knyazev Photo by S.Knyazev (with prior permission from the author). The forewing length is 13,5 mm.