Common in broad-leaved woodland, parkland, heathland and gardens throughout the British Isles. Widespread and fairly common in Hampshire and on the Isle of Wight. Wingspan 50-58 mm. Variable, but unmistakable. Larva feeds on various deciduous trees, including Birch, Sallow and Sycamore.
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