Distribution and Abundance: Common.

Primary Habitat: Woodland.

Flight Period: Single brooded in May and June.

Observations: The melanic ab. nigra and black-brown forms occur, but only seem to have been noted in towns. These are fairly common in Northampton and uncommon elsewhere. Rothamsted light trap results from Fineshade for the years 1993-2000 show forty moths recorded, all of the typical form.

L.O.N.: 1907. Many localities. Rather common. 

First Record: 1882, Hull & Tomalin.