This species is quite variable. One of the most distinctive form is f. decorana, which has an orange area over the mid-part of the forewing.
Woodland, parks and gardens, boggy heaths and banks of rivers and streams.
Recorded in 52 (19.3%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2018
Recorded date range (Adult): 30 May to 18 October