Rough grassland and heathland where foodplant found. Characteristic whitish streak along the costa (re scientific name) Flying by day, but also sometimes coming to light. Larva feeds within seedpods of Gorse, living and feeding in a movable case.

Recorded in 5 (1.9%) of the 270 2km squares of Huntingdonshire.

Last recorded in August 2020

Recorded date range (Adult): 16 May to 05 August