Pterostoma palpinum (Clerck, 1759):

E.Siberia, Irkutsk province, Ust-Orda envir., Kharat, at light, 11-VI-2002, leg. E.Berlov The forewing length is 20 mm. det. E.Berlov

E.Siberia, Irkutsk province, Ust-Orda envir., Kharat, at light, 11-VI-2002, leg. E.Berlov The forewing length is 24,5 mm. det. E.Berlov