Common in open woodland, gardens and hedgerows, and on downland and sand-dunes throughout much of England, Wales and southern Scotland. In Hampshire and on the Isle of Wight widespread, but has declined recently. Wingspan male 30-35 mm, female 36-43 mm. The males are sometimes common at light, the females fly infrequently but are sometimes seen during the day. Male unmistakable, female is similar to White Ermine and Water Ermine, but smaller. Larva feeds on various herbaceous plants, including Dock and Dead-nettle, over-wintering as a pupa.