Common in rural gardens, waste ground and rough pastures throughout the British Isles. Widespread and common in Hampshire and on the Isle of Wight. Wingspan 33-37 mm. One of the largest and most familiar pyralids, wings have an opalescent sheen, most obvious in sunshine, which gives rise to the vernacular name. Larva feeds predominately on Stinging Nettle, living within a spun or rolled leaf.
The abundance in each month is indicated as follows:
No records Very occasional Irregular Uncommon Off-peak, but not unusual Off-peak, but not unusual Main flight time