Hypena tristalis Lederer, 1853: (= tripunctalis Bremer, 1864) E.Siberia, 10 km E Irkutsk, ex larva (Larva: 30-VII-2005, Cocoon: 1-VIII-2005, Imago: 13-VIII-2005), leg. E.Berlov The forewing length is 15 mm. det. A.Matov E.Siberia, 10 km E Irkutsk, ex larva (Larva: 30-VII-2005, Cocoon: 1-VIII-2005, Imago: 13-VIII-2005), leg. E.Berlov det. A.Matov E.Siberia, Irkutsk, 14-VIII-2006, leg. O.Berlov The forewing length is 16 mm. det. O.Berlov E.Siberia, Irkutsk, 14-VIII-2006. Photo by O.Berlov. leg. and det. O.Berlov E.Siberia, Irkutsk, 14-VIII-2006. Photo by O.Berlov. leg. and det. O.Berlov Russian Far East, Primorsky Krai, Ussuriisk envir., Kaimanovka, at UV-light, 14-VIII-1972, leg. E.Berlov det. L.Lehmann