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.
[MBGBI vol3 p281]
Recorded in 36 (52%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2019.