Common wherever the foodplant occurs, throughout much of the British Isles. Widespread and common in Hampshire. Recorded for the first time on the Isle of Wight at Freshwater in 2010. Wingspan 14-16 mm. Separated with certainty from C. elongella only by dissection of the genitalia; similar to C. rufipennella and C. hemidactylella. Larva mines leaves of Birch, subsequently living within a leaf-cone.
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