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 6 (2.2%) of the 270 2km squares of Huntingdonshire.
Last recorded in July 2024
Recorded date range (Adult): 12 April to 23 August
Recorded date range (Larva/Leafmine): 13 July to 22 October