Harpalus calceatus (Duftschmid) (Carabidae) in Norfolk: established in the East Anglian Brecks or still a British vagrant?

Full title
Harpalus calceatus (Duftschmid) (Carabidae) in Norfolk: established in the East Anglian Brecks or still a British vagrant?
Author
Steve A. Lane & James Symonds
Year
2020
Publisher
The Coleopterist
Volume
29
Part
3
Start page
136