This is one of three species in which the adults can only be reliably identified by genital dissection.
The larvae products a long irregular gallery.
Recorded in 40 (14.8%) of the 270 2km squares of Huntingdonshire.
Last recorded in October 2020
Recorded date range (Adult): 06 May to 07 November
Recorded date range (Larva/Leafmine): 04 July to 18 November