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Large Thorn
Ennomos autumnaria (Werneburg, 1859)
Geometridae: Ennominae
1911 / 70.232
Photo © Jim Hodgkinson,  Dersingham 1/9/14

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Similar Species
August Thorn
Ennomos quercinaria
Canary-shouldered Thorn
Ennomos alniaria
Forewing: 21-28mm.
Flight: One generation Sept-Oct.
Foodplant:   Broadleaved trees.
Red List: Near Threatened (NT)
GB Status: Common
Former Status: Nationally Scarce B
Verification Grade:  Adult: 2
Status
Local resident and suspected immigrant.
Broad-leaved woodland and scrub.

Recorded in 37 (50%) of 74 10k Squares.
First Recorded in 1961.
Last Recorded in 2024.
Additional Stats
Latest 10 Records
Date#VC10kArea
23/09/2024228TF63Heacham
14/09/2024128TF41West Walton
13/09/2024128TF63Snettisham / Ingoldisthorpe
09/09/2024128TF63Heacham
07/09/2024128TF63Heacham
06/09/2024128TF50Upwell / Outwell
06/09/2024128TF41West Walton
06/09/2024127TG01Lyng
04/09/2024128TF62King's Lynn
03/09/2024228TF41West Walton
Further info: Ennomos autumnaria
 
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