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 26 (9.6%) of the 270 2km squares of Huntingdonshire.
Last recorded in September 2024
Recorded date range (Adult): 29 July to 04 September
Recorded date range (Larva/Leafmine): 26 June to 30 November