Very variable in size and markings; recognizable by the flat triangular club of the antenna and the pale costal margin of the forewing.

On the underside the male has large dark angular spots at the base of both wings, the female having the hindwing beneath generally uniformly brownish or grey; North France, Germany, Austria, Hungary, and the adjacent districts of Russia.

is the from East Europe, which flies also in some districts of Asia Minor; in size like meridionalis, but the band somewhat broader and purer white, especially on the hindwing.

(42 f) has the size of the previous, but the band is ochreous; occurs among white-banded specimens in South and East Europe, and Anterior Asia, being especially large in the last country.

(42 b) is similar to magna, the white band on the upperside being very narrow and the underside very conspicuously variegated; in Persia and various places of Anterior Asia, especially in the Achal-Tekke country.

(42c) is the largest form, which has a rather large white band and in the female a reddish grey underside; from Asia Minor and the Pamir.

The butterflies from July till September; they prefer chalky soil and love to settle on bare places of the ground and on boulders.