Hypomecis roboraria isabellaria Staudinger, 1901:

E.Siberia, Irkutsk envir., at UV-light, 2-VII-1973, leg. E.Berlov The forewing length is 25 mm. det. L.Lehmann

E.Siberia, 10 km E Irkutsk, 30-VI-2002, leg. E.Berlov The forewing length is 26 mm. det. E.Berlov