Issoria eugenia is a small butterfly found in the East Palearctic that belongs to the family Nymphalidae.

From South Siberia (Sajan, Irkutsk), Tibet (Hokow) and West China.

The base of both wings above is much darker (brownish green in the female) and the black markings are stronger.

has the same long silver-spot as genia, but is brighter yellow above, the base of the wings being less dusted with black.

The female especially is lighter, and the black marginal band of the upperside is less prominent.