Adults are often flying some distance from the host plant.
The larvae form a pear-shaped silken case, initially on the underside of a leaf, moving its case to an angle of twigs to over-winter.
Recorded in 60 (22.2%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2020
Recorded date range (Adult): 27 April to 24 August
Recorded date range (Larva/Leafmine): 03 November to 03 November