Common but perhaps in long-term decline, in grassland, woodland edges and rough meadows throughout the British Isles. In Hampshire and on the Isle of Wight widely distributed but not particularly common, having declined considerably in recent years. Wingspan 32-38 mm. Unmistakable. Larva feeds on various grasses, including Cock's-foot and Common Couch.
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