This species has a forewing which is a varying shade of grey with a distinct central dot and a line of very fine dark dashes/dots along the outer edge. There is usually a narrow, indistinct, straight central cross-band. Other cross-lines are often very faint or absent.
There is a rare melanic form f. bischoffaria.
Pupates in a cocoon on the ground.
Woodland, heathland, grassland, gardens.
Recorded in 67 (24.8%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2021
Recorded date range (Adult): 02 May to 13 October
Recorded date range (Larva/Leafmine): 31 March to 31 March