Local in open woodland, moorland and damp meadows throughout much of Britain. In Hampshire and on the Isle of Wight locally common on downland amongst Yellow Rattle and less so in acid woodland where the foodplant is Common Cow-wheat, and occasional elsewhere. Wingspan 20-26 mm. The most likely confusion species is Algedonia terrealis, which see for differences. Larva feeds on Yellow-rattle and Common Cow-wheat.
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