Genital dissection is necessary to distinguish this from similar species.
The larvae produce distinctive Phyllonorycter-like mines and later from two or more successive leaf cones.
Recorded in 272 (100.7%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2020
Recorded date range (Adult): 29 March to 17 October
Recorded date range (Larva/Leafmine): 30 May to 29 November