Distribution and Abundance:  Common.

Primary Habitat:  General occurrence.

Flight Period:  Single brooded from May to July.

Observations:  In most localities more common at light than its congener the Buff Ermine, (S. luteum). The occasional small second brood is rare in this county, I have only been able to trace three instances. These were on 2 September 1934 at Kettering and 23 October 1952 and 24 August 1953 at Wellingborough.

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

First Record: 1842, Clark.