Nationally scarce, on heathland, moorland and sand-dunes in southern England (Hampshire and adjoining counties), with isolated populations in north-western England and western Scotland. Also occurs in Ireland (ssp. tyronensis). In Hampshire locally common on the heaths of the New Forest, and also on sand-dunes in south Hayling, with occasional wanderers elsewhere in the county and on the Isle of Wight. Wingspan 37-43 mm. Larva feeds on Heather and Common Bird's-foot Trefoil.