This moth has dark forewings with bronzy and purple sheens and a neat whitish fascia.
The larvae create a narrow gallery leading to a blotch mine with frass at the centre.
Recorded in 255 (94.4%) of the 270 2km squares of Huntingdonshire.
Last recorded in November 2019
Recorded date range (Adult): 06 June to 08 November
Recorded date range (Larva/Leafmine): 16 June to 30 November