This is one of three species in which the adults can only be reliably identified by genital dissection.
The larvae product a long, contorted gallery mine.
Recorded in 24 (8.9%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2020
Recorded date range (Adult): 02 August to 14 August
Recorded date range (Larva/Leafmine): 26 June to 30 November