Wingspan male: about 20mm, female: about 25mm. This is a sexually dimorphic species the females being larger than the males, which have a 'costal fold' in common with a number of related species.

It frequents mainly wooded habitats.

Flies from June to August.

The larvae feed on a number of deciduous trees, including oak, elm, ash and willow. They feed in a tightly-rolled leaf.

It is relatively uncommon though has a wide distribution over much of the British Isles. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.

Fairly frequent but not common in Leicestershire and Rutland. L&R Moth Group status = B (scarce resident or restricted distribution or regular migrant).