Local in open woodland, moorland and heathland throughout England and Wales, but less commonly in the north. In Hampshire locally common in the New Forest and Pamber Forest, with occasional records elsewhere in the county and on the Isle of Wight. Wingspan 33-35 mm. Unmistakable. Larva feeds on Bilberry, over-wintering as a pupa.
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