Geometridae : Ennominae
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Photo © Jim Wheeler,  Upwell, 15/09/08

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Similar Norfolk Species
Large Thorn
Ennomos autumnaria
August Thorn
Ennomos quercinaria
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Dusky Thorn
Ennomos fuscantaria

(Haworth, 1809) 1914 / 70.235
Norfolk status
One of the plainer-looking of Britain's 'Thorns'.
Deciduous woodland and suburban habitats where the larval foodplant ash found.

Recorded in 64 (86%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2021.
Additional Stats

< Canary-shouldered Thorn  |  September Thorn >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
30/09/20212027TG33 - Bacton
26/09/2021127TG31 - Horning/Hoveton
26/09/2021627TG42 - Hickling/Horsey
26/09/2021127TG33 - Bacton
25/09/2021127TG30 - Brundall/Cantley
Show Details | 1990 to 2021 | 2000 to 2021 | Graph Key
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 17-21mm.
Flight: One generation July-Oct.
Foodplant:   Ash
Red List: Near Threatened (NT)
GB Status: Common
BAP Status: Declining (Research only)
Verification Grade:  Adult: 1
 Immature Adult

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Underlying maps using Digital Map Data © NOLA™ 2022. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2022. Data © NOLA™ 2022
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