This species can occur in large numbers on unsprayed cherries.
The larvae mine the underside of leaves. Quite often, several mines may be found on one leaf.
Recorded in 127 (47%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2020
Recorded date range (Adult): 25 June to 12 September
Recorded date range (Larva/Leafmine): 09 July to 16 November