Colias heos (Herbst, 1792) (= Colias aurora (Esper, 1783), homonym)
Range: locally from the Ob' River to the Pacific, including Mongolia, NE China, mostly on elevations and mountains.
ssp.: heos (Herbst, 1792), monotypical.
A female (a white form) on Goniolimon speciosa, wings closed.
Russia, Siberia, Khakass Republic, Shira District, 2 km SEof v. Efremkino, 54o26' N 89o28' E, alt. 500-800 m, stony steppen S-exposed slopes on lime rocks, larch forest edges. 3/VII 2000. O. Kosterin