Distribution and Abundance: Very common.

Primary Habitat: General occurrence.

Flight Period: Recorded in all months from May to October, but much more plentifully in late summer and the autumn.

Observations: Annual abundance varies greatly. Pitsford light trap records for the year 2003 show 2220 examples attracted to the two static traps, of these, 2156 (97%) occurred in August, September and October. For the year 2001 the figures were 295 and 252 (84%) respectively. Fifty years ago a single light trap operating in a Wellingborough garden in 1951 produced 3266 moths overall, with an August to October tally of 3152 (97%).

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

First Record: 1845, Whitwell.