It is found from western Siberia to the Ussuri region and in North Korea, China, Mongolia and Japan.

The upperside is white, the male having a larger blackish subapical patch, which is absent from the female or is much smaller and less well marked; the underside is white, with a yellowish apical spot on the forewing and grey shadowv markings on the hindwing.

vibilia Janson, 1878], from North Japan, has more pointed wings than amurensis being similar to duponcheli in markings and colour.

— morsei Fenton is apparently an aberration in which the subapical spot of the forewing above is less developed.

[1] The larvae feed on Hedysarum ussuriense, Lupinus species and Vicia amoena.