Scarce on waste ground, roadside verges and calcareous grassland in central southern and south-eastern England and the Breckland district of East Anglia (MBGBI Vol 3). In Hampshire known from a few locations, around Chilbolton in the north, where last recorded in 1992, and Horsea Island and Queen Elizabeth CP, Petersfield. A case observed at Micheldever, VC12 was the first for that vice-county for 30 years. Not recorded from the Isle of Wight to date. Wingspan 11-13 mm. The larva feeds on seeds of Blue Fleabane, living within a movable case.