Norfolk status Resident in Britain only in Norfolk. Broadland/fen habitats where it appears to prefer wetter more open areas.
When Stephens wrote about the insect in 1829 only two specimens had then occurred in Britain, and these had been found in a marsh at Horning floating upon the water in a ditch.
Recorded in 12 (17%) of 69 10k Squares. First Recorded in 1800. Last Recorded in 2012.