This species is not as common as the similar species A. hamana.
The nominate form has a yellow ground colour whereas f. ferrugana has an orange-brown ground colour. Both forms have a distinctive brown ring at the wing-tip.
Recorded in 50 (18.5%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2018
Recorded date range (Adult): 02 June to 06 September