Wingspan 28 to 38 mm. Showing distinct sexual dimorphism, the males of this moth are soft grey or grey brown, the females are white, both sparsely speckled with black.

It occurs in woodland, downland and suburban habitats.

May and June.

The larvae feed on a variety of low plants, including Dock and Chickweed.

Relatively common in most of Britain, though fewer records from the north. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.

Fairly common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)