Morley's Final Catalogue: One at light in Hemley Rectory on 21 July 1904 (Wlr. EMM. xl, 236). Elsewhere Kent and I. Wight only, in Britain: probably extinct even there.Recent status: Rare immigrant. Former resident in Kent. Five at Thorpeness in mid-July 1964 (Chalmers-Hunt & Wakely) were the first in the county since 1904. Twenty-first century records have come from Dunwich Heath, Orfordness, Bawdsey and Landguard; with a single inland record from Mendlesham (S. Woolnough).Identification Compare with Kent Black Arches.
Recorded in 7 (12%) of 58 10k Squares.First Recorded in 1904.Last Recorded in 2018.Additional Stats