Adults can often be found overwintering inside garden sheds etc.
The larvae feed within the seedpods of broad-leaved willowherb and other willowherbs.
Pond and stream banks, woodland clearings, waste ground and gardens.
Recorded in 35 (13%) of the 270 2km squares of Huntingdonshire.
Last recorded in June 2023
Recorded date range (Adult): 01 January to 18 December
Recorded date range (Larva/Leafmine): 03 February to 03 February