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Silver Barred
Deltote bankiana (Fabricius, 1775)
Noctuidae: Eustrotiinae
2413 / 73.027
Photo © Neil Bowman,  18/06/2023 - Eccles-on-Sea

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Similar Species: None
Forewing: 10-12mm.
Flight: One generation May-July. (Aug)
Foodplant:   Purple Moor-grass, Smooth Meadow-grass, pos other
Red List: Near Threatened (NT)
GB Status: Nationally Rare;
Former Status: Red Data Book
Verification Grade:  Adult: 3
Status
Rare 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 circa 1949, now presumed locally 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, Aldeby in 2015, Weyboune in 2020 and x4 at Eccles in 2023.

Retained Specimen / Photograph will be Required.

Recorded in 10 (14%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
19/06/2023227TG42Eccles
18/06/2023227TG42Eccles
01/06/2020127TG14Weybourne
06/07/2015127TM49Aldeby
July 2001127TG42Eccles
June 2001+27TM17Scole
June 2001127TG42Eccles
29/06/1996+27TG14Weybourne / Sheringham Park
08/07/1995127TG14Weybourne / Sheringham Park
10/06/1993127TM17Scole
Further info: Deltote bankiana
 
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