The larvae mine the underside of leaves, between veins, causing the leaf to arch.
Chalk soils.
Recorded in 37 (13.7%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2025
Recorded date range (Adult): 24 April to 24 April
Recorded date range (Larva/Leafmine): 13 January to 08 November