This species is quite variable but has a broad whitish basal streak.
The larvae produce a small triangular blotch mine.
Wet woodland, fens and hedgerows
Recorded in 48 (17.8%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2020
Recorded date range (Adult): 18 April to 05 September
Recorded date range (Larva/Leafmine): 03 June to 13 November