Eurois occulta (Linné, 1758): E.Siberia, 10 km E Irkutsk, ex pupa (Pupa: 23-VI-2004 in soil, Imago: 28-VI-2004), leg. E.Berlov The forewing length is 26 mm. det. E.Berlov E.Siberia, Irkutsk Province, Kachug distr., Yukhta-1 river valley, Nature Reserve «Baikalo-Lenskyi», cordon Narty, ex larva (Larva: 15-VI-2003 on dwarf Betula, Pupa: 20-VI-2003, Imago: 1-VII-2003), leg. O.Berlov The forewing length is 26,5 mm. det. E.Berlov E.Siberia, Irkutsk, at UV-light, 7-VIII-1973, leg. E.Berlov det. E.Berlov