The larvae mine the underside of leaves, between veins, causing the leaf to arch.
Chalk soils.
Recorded in 32 (11.9%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2019
Recorded date range (Adult): 17 October to 17 October
Recorded date range (Larva/Leafmine): 20 June to 08 November