Pheosia gnoma (Fabricius, 1777):

W.Siberia, Omsk Province, Omsk distr., Davydovka envir., at light, 23-VII-2010, leg. and det. S.Knyazev The forewing length is 20 mm.

This specimen from Central Russia is given for comparison: Russia, Moscow, airport Domodedovo, 19-V-1968, leg. E.Berlov The forewing length is 20 mm. det. L.Lehmann