Euclidia (Gonospileia) triquetra (Denis et Schiffermüller, 1775):
W.Siberia, Omsk Province, Russko-Polyansky distr.,
lake Kumdykol, Alabota envir., steppe, 15-V-2010, leg. S.Knyazev
The forewing length is 13,5 mm.
det. E.Berlov