Perizoma sagittata (Fabricius, 1787):

E.Siberia, lake Baikal, Nature Reserve «Baikalo-Lenskyi», cordon Onkholoi, 10-VII-2005, leg. O.Berlov The forewing length is 15 mm. det. E.Berlov

E.Siberia, Irkutsk province, Ust-Orda envir., Kharat, at UV-light, 26-VI-1973, leg. E.Berlov The forewing length is 14,5 mm. det. E.Berlov