Nationally scarce (Na) in ancient woodland, especially where there are open areas with dead wood, and restricted to the south-east of England. In Hampshire the only recent records are from Harewood Forest and Ashurst. Not recorded from the Isle of Wight to date. Wingspan 14-17 mm. Unmistakable. Day-flying. Larva feeds within bark of Oak, Hazel, Blackthorn and Pear.
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