This species is quite weakly marked in comparison with similar species.
The larvae produce a mine on the upper side of a leaf.
Recorded in 269 (99.6%) of the 270 2km squares of Huntingdonshire.
Last recorded in November 2018
Recorded date range (Adult): 06 May to 17 October
Recorded date range (Larva/Leafmine): 12 June to 24 November