Noctuidae : Eustrotiinae
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Similar Norfolk Species: None
 
Silver Barred
Deltote bankiana
(Fabricius, 1775) 2413 / 73.027
=Protodeltote bankiana
Norfolk status
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 10 (14%) of 69 10k Squares.
First Recorded in 1873.
Last Recorded in 2020.
Additional Stats

< Silver Hook  |  Spotted Sulphur >

Determination
Purple Moor Grass
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
01/06/2020127TG14 - Sheringham
06/07/2015127TM49 - Geldeston/Haddiscoe
July 2001127TG42 - Hickling/Horsey
June 2001127TG42 - Hickling/Horsey
June 2001+27TM17 - Scole
 Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Silver Barred
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Copyright © Jim Wheeler 2021
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 10-12mm.
Flight: One generation May-July. (Aug)
Foodplant:   Purple Moor-grass, Smooth Meadow-grass, pos other
Nat Status: Red Data Book
Verification Grade:  Adult: 3
 Immature Adult
Further info: Deltote bankiana
 
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ 2021
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