The larval case is fixed at right angles to a leaf surface and has a serrated keel.
Heathland and open woodland.
Recorded in 7 (2.6%) of the 270 2km squares of Huntingdonshire.
Last recorded in July 2019
Recorded date range (Adult): 30 May to 23 July
Recorded date range (Larva/Leafmine): 19 October to 19 October