The larvae form a case which closely resembles a seedhead of the foodplant.
Waste ground, rough grassland, roadside verges.
Recorded in 6 (2.2%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2018
Recorded date range (Adult): 03 June to 02 August
Recorded date range (Larva/Leafmine): 22 October to 22 October