Wingspan 16 to 20 mm. The appearance of the adult can vary, with some showing rather more blackish suffusion on the dorsal region.
A photograph is required to support records for this species.
This species inhabits woodland and copses.
It flies in July and August.
The larvae feed on the leaves and flowers of Elm or Beech, living in a slight silken web.
Widespread but local in Britain. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.
Occasional in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015