The larvae initially produce a squarish or triangular blotch and then go on to create two or three successive folds.
Hedgerows, woodland and scrub.
Recorded in 155 (57.4%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2025
Recorded date range (Adult): 18 April to 08 September
Recorded date range (Larva/Leafmine): 10 June to 28 November
