This is a very variable species which closely resembles A. notana from which it can only be reliably distinguished by examination of the genitalia. A small black tuft of scales a short distance from the head is often diagnostic.
Recorded in 31 (11.5%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2019
Recorded date range (Adult): 08 January to 15 November