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