This species is difficult to distinguish from A. subpropinquella and genital dissection is usually required for a definitive identification.
Pupates in leaf litter or in spun leaves.
Open grassy areas and waste ground.
Recorded in 9 (3.3%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2014
Recorded date range (Adult): 29 April to 09 November