Common in broad-leaved woodland, mature hedgerows, scrubland, downland and gardens throughout much of England. In Hampshire and on the Isle of Wight widespread and often common, mainly but not exclusively on the chalk in beech woodland. Wingspan 33-38 mm. Fairly unmistakable. Larva feeds on Field Maple and Beech, over-wintering as an egg.
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