This species can be quite variable, but is distinctive. Several named forms exist including a melanic form f. carbonaria and an intermediate form f. insularia.
Pupates in loose soil.
Woodland, scrub, hedgerows and gardens.
Recorded in 122 (45.2%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2020
Recorded date range (Adult): 20 April to 08 September
Recorded date range (Larva/Leafmine): 26 May to 18 September
Recorded date range (Pupa): 30 March to 07 April