The Chestnut Conistra vaccinii
Wingspan 28-36 mm.
One of our commoner species which occurs in the winter, with moths appearing any time from September to May, especially in mild conditions, and can be found at sallow blossom in early spring.
Distributed widely over the British Isles, there are a number of variations, but all show a distinctive rounded wing shape.
The larvae feed on the foliage of a range of trees, including birch (Betula) and oak (Quercus).