Distribution and Abundance: Rather local.

Primary Habitat: Woodland.

Flight Period: Single brooded from September to November and after hibernation in the spring.

Localities: Hazelborough Wood, Pitsford Reservoir, Short Wood and Sutton Wood.

Observations: Historically this moth was always uncommon in the county with few records over the years. In 1991 it was recorded in Northampton and in the Soke of Peterborough since which time it has increased its range markedly and has become a regular feature of light trap returns from some sites. Captures at the Pitsford static m.v. light traps are as follows: 1998 – 1, 1999 – 1, 2000 – 9, 2001 – 3, 2002 – 7, 2003 - 7. Over-wintered female moths were seen in the spring of 2002 and 2004.

L.O.N.: 1905. Northampton, Kettering. Not common.

First Record: 1905, Kenyon.