This moth has a metallic lustre and dark, leaden colours around the head and fringes, with silvery strigulae.

The larvae produce an oval mine sometimes crossing veins.

Recorded in 200 (74.1%) of the 270 2km squares of Huntingdonshire.

Last recorded in October 2020

Recorded date range (Adult): 07 May to 15 August

Recorded date range (Larva/Leafmine): 01 July to 04 December