The lack of yellow cilia at the apex of the forewing diagnostic.
Larvae create a long, slender, irregular gallery mine.
Recorded in 4 (1.5%) of the 270 2km squares of Huntingdonshire.
Last recorded in July 2021
Recorded date range (Adult): 21 June to 26 July
Recorded date range (Larva/Leafmine): 25 October to 25 October