Endangered (proposed as a future Red Data Book species) on chalk downland and calcareous grassland. The species was declared extinct in Kent around 1950, but subsequently re-discovered on Tiree, Inner Hebrides in 1984. Unlikely to be recorded in Hampshire or on the Isle of Wight. Wingspan 14-18 mm. The white ground coloration and contrasting markings are distinctive of this species [Bradley]. Larva feeds on Kidney Vetch, Bird's-foot Trefoil, Dyer's Greenweed, Petty Whin, Broom and similar, living within a silken tube or tent.