It is found in Great Britain, Ireland, the Netherlands, France, Spain, Portugal and on Sardinia, the Canary Islands,[1] as well as in North Africa, including Morocco.

[2] The forewings are narrow, white or whitish, partially irrorated with black.

The discal mark is black and X-shaped; the subterminal is thick, white and touches the second in the middle.

The hindwings are whitish-grey, terminally darker with a grey discal dot.The larva is olive-green with two whitish transverse marks on each segment.

The dorsal line is fine and dark ; the spiracular grey.Spots, head, and plate of segment 2 are black.