Nationally scarce (Nb) and first recorded in Britain in 2002 in parkland in Greater London, subsequently found to be widespread in south-eastern England. In Hampshire established in and around Fareham and Portsmouth, and in Fleet in the north of the county; on the Isle of Wight not uncommon, mostly in the east; likely to be more widespread than the records suggest. Wingspan male 4.4-6.0 mm, female 4.6-5.8 mm. More likely to be identified in the larval stages than as an adult. Larva mines leaves of Evergreen Oak.
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