Norfolk status Widespread and common. Pronounced sexual dimorphism. The male has a costal fold on the forewing, and is usually smaller and more brightly coloured. The female has no costal fold, and a much more protruding apex on the forewing. Flies freely late afternoon/dusk. comes to light.
Recorded in 64 (93%) of 69 10k Squares. First Recorded in 1957. Last Recorded in 2018.