This species is very similar to C. elongella. and genital dissection is usually required for a conclusive identification (although the presence of only one of the food plants is a useful indicator).
The larvae initially mine the leaves before constructing a shelter from a rolled leaf.
Recorded in 14 (5.2%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2020
Recorded date range (Adult): 30 March to 03 November
Recorded date range (Larva/Leafmine): 02 July to 25 October