Distribution and Abundance: Common.

Primary Habitat: Woodland.

Flight Period: Single brooded in March and April.

Observations: The moth is constantly variable in ground colour in the county.  A very dark form that was taken at Warmington on 27 March 1998 is illustrated alongside a more typical example.

L.O.N.: 1907. Many localities. Common.

First Record: 1882, Hull & Tomalin.