Common in woodland, scrubby heathland, hedgerows, gardens and parks throughout much of the British Isles. In Hampshire and on the Isle of Wight widespread and common. Wingspan 50-64 mm. Unmistakable. Larva feeds on Downy Birch, Silver Birch, Hazel and Alder.
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