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.
Broadleaved woodland.
Recorded in 67 (24.8%) of the 270 2km squares of Huntingdonshire.
Last recorded in March 2025
Recorded date range (Adult): 11 February to 15 June
Recorded date range (Larva/Leafmine): 09 May to 05 June