Local on heathland, moorland, sand-dunes and shingle beaches, discontinuously in southern and north-western England, and eastern Scotland. In Hampshire local on the heaths of the New Forest, where it appears to have increased, and the north-east, where it is not faring so well; on the Isle of Wight recorded recently only from the Freshwater/Totland area. Wingspan 40-53 mm. Unmistakable. Larva feeds on Heather, Broom, Creeping Willow, Bramble and Hawthorn.