Wingspan 33mm. The fore-wings are white, with a small dark mark in the corner on the male, absent in the larger female. The abdomen is yellow and the tip is often held in a raised position.
Woodland edge and hedgerows. The larvae feed on a wide variety of tree leaves, including hawthorn, blackthorn, oak and sallow.
Status and distribution
Common and widespread in southern and eastern Britain. Local further north and west. Common in Nottingham and at Netherfield Lagoons.
Best time to see
July to August.