Inhabiting broad-leaved woodland and parkland, the moths are on the wing in October and November, and reappear after hibernation in early spring, when breeding occurs.
Since recorded at Wells in 2002, rapidly spreading over the county, with many records in 2008, 2009, 2010...
Recorded in 50 (72%) of 69 10k Squares.
First Recorded in 2002.
Last Recorded in 2021.