Immigrant (former resident).
Resident in wetlands of West Norfolk during the 19th century, prior to drainage operations.
Old records from the former Stoke Ferry Fen which was destroyed by the building of the town bypass. Silver Barred was found breeding in this area up to approx 1949, now presumed extinct.
C. Barrett - Lepidoptera of the British Islands, Vol 6, 1900: Stevens (Illust. 3, 118): "Mr Haworth found a considerable number of specimens in Norfolk, I believe near Beachamwell, amongst reeds and rushes in a boggy situation, and kindly supplied me with specimens."
Records of singletons, presumed immigrants at Hemsby 1993, Scole 1993, Sherringham 1995, Scole and Eccles in 2001 and Aldeby in 2015.
|Retained Specimen / Photograph will be Required. |
Recorded in 11 (16%) of 69 10k Squares.
First Recorded in 1873.
Last Recorded in 2015.