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 46 (17%) of the 270 2km squares of Huntingdonshire.
Last recorded in November 2017
Recorded date range (Adult): 18 April to 13 November
Recorded date range (Larva/Leafmine): 30 June to 13 November