Distribution and Abundance: Scarce.

Primary Habitat: General occurrence.

Flight Period: Single brooded in July and August.

Localities: Yardley Chase, Kirtley Coppice, Rockingham Park and Barnack Hills & Holes.

Observations: The species has greatly declined in more recent years. Details of the number of moths trapped by the two Pitsford Reservoir 125 m.v. light traps running nightly for the six years from 1999 to 2004 are as follows:- 1999 - 35,
2000 - 26, 2001 - 16, 2002 - 11, 2003 - 2 and 2004 - 1. By comparison, some fifty years ago in 1951 a single 80 watt m.v. light trap running in a Wellingborough garden throughout the season attracted 321 examples of the moth, a typical number for this site in the early 1950’s.

L.O.N.: 1907. Everywhere. Very common.

First Record: 1842, Clark.