The larvae produce a mine similar to C. syringella on the same foodplant, but with a more silvery colour.
Sea-cliffs and rough ground near the coast and woodland inland.
Recorded in 2 (0.7%) of the 270 2km squares of Huntingdonshire.
Last recorded in August 2021
Recorded date range (Adult): 11 July to 12 August
Recorded date range (Larva/Leafmine): 07 August to 13 October