Local in parts of southern England and Wales, mainly on the coast, perhaps originating from ferns imported from the far east and spreading through the trade in ferns. In southern Hampshire and on the Isle of Wight, usually confined to the coast, and very rare inland. Wingspan 10-12 mm. Resembles P. verhuella
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