Local in plantations, hedgerows, scrub, parks and gardens throughout England. Widespread and locally common in Hampshire, but recorded so far from the Isle of Wight only once this century. Wingspan 43-60 mm. Separated from other large, plain white moths by white abdomen, black and white ringed legs, and silky sheen. Larva feeds on Aspen, Poplar, Sallow and Willow.
The abundance in each month is indicated as follows:
No records Very occasional Irregular Uncommon Off-peak, but not unusual Off-peak, but not unusual Main flight time