Wingspan 20 to 25 mm. A delicately mottled and speckled species, this moth sometimes shows a rosy flush, but other specimens may be fairly grey in appearance.

Good photographs and/or the specimen required.

It occurs in woodland areas especially where plenty of Birch is present.

Flies in May and June, with a second generation in August in the south.

The larvae feed on Birch.

Occurs locally over much of Britain, except for parts of northern England. In a recent survey to determine the status of all macro moths in Britain this species was classified as local.

Generally rare or in rapid decline in VC55.