The blackish twin-spots are usually obvious on this species, but in some forms (f. immaculata) these are reduced to barely discernible rufous marks, or obsolete.
Pupates in loose soil.
Recorded in 58 (21.5%) of the 270 2km squares of Huntingdonshire.
Last recorded in April 2020
Recorded date range (Adult): 11 February to 09 May
Recorded date range (Larva/Leafmine): 09 May to 05 June