This species has a diagnostic forewing shape, with a straight leading edge which is curved towards the tip. Similar yellow forms of Dingy and Buff Footman are larger and later in year.
Pupates amongst lichens.
Mature oak and beech woodland and scrub.
Recorded in 51 (18.9%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2020
Recorded date range (Adult): 26 April to 06 July