Geometridae : Ennominae
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Photo © Angela Pye,  seen in Watton

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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 66 (89%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2023.
Additional Stats

< Canary-shouldered Thorn  |  September Thorn >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
07/10/2023127TG42Eccles
30/09/20235727TG33Ridlington
28/09/2023127TG13Hempstead
27/09/2023127TG42Eccles
26/09/2023327TG42Eccles
Show Details | 1990 to 2023 | 2000 to 2023 | 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   [Show Flight Times]

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Underlying maps using Digital Map Data © NOLA™ 2024. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ 2024
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