Aethes triangulana (Treitschke, 1835): E.Siberia, lake Baikal, Nature Reserve «Baikalo-Lenskyi», Baikalsky Mts. ridge, mountains near cape Pokoiniki, lake Izumrudnoe envir., Solntsepad pass, 1200 m, 10-VII-2003, leg. O.Berlov The forewing length is 6,5 mm. det. E.Berlov