Acronicta (Triaena) cuspis (Hübner, 1813): E.Siberia, Irkutsk envir., at UV-light, 2-VII-1973, leg. E.Berlov The forewing length is 19 mm. det. L.Lehmann E.Siberia, 10 km E Irkutsk, ex larva (Larva: 15-VIII-2004 on Betula, Pupa: 22-VIII-2004, Imago: 10-V-2005), leg. E.Berlov The forewing length is 17 mm. det. E.Berlov E.Siberia, 10 km E Irkutsk, ex larva (Larva: 15-VIII-2004 on Betula, Pupa: 22-VIII-2004, Imago: 10-V-2005), leg. E.Berlov det. E.Berlov