Wingspan about 20 mm. 

It is very similar to Agnoea (Pseudatemelia) flavifrontella and adults are best identified by examination of the genitallia.

Best identified by examination of the genitallia. Records in May and early June are likely to be flavifrontella, but from mid-June onwards gen det is essential.

Woodland, and especially areas where Bilberry is present.

Adult moths are on the wing from late June to early August and come to light.

Associated with Bilberry. Larva feeding for two years on decaying leaves on the ground, in a succession of portable cases made from folded dead leaf sections.

Occurs locally in a disjunct distribution covering southern England and south Wales, and in northern England and Scotland. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.

First record for Leicestershire and Rutland came from Grange Wood on 02/07/2021.