This species has at least two generations and in favourable years three. It can overwinter as adult and reappear in April.
The larvae produce a long narrow twisting mine.
Recorded in 265 (98.1%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2020
Recorded date range (Adult): 09 March to 17 October
Recorded date range (Larva/Leafmine): 08 May to 04 December