Primarily a Breckland species.
can be seen in good numbers in at least five localities in the Brecks.
Monitored regularly by larval search.
A few internal migrant or immigrant records outside the Brecks, species known to wander!
New UK BAP priority species.
Recorded in 39 (57%) of 69 10k Squares.
First Recorded in 1871.
Last Recorded in 2020.