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Dusky Thorn
Ennomos fuscantaria (Haworth, 1809)
Geometridae: Ennominae
1914 / 70.235
Photo © Steve Mills

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Similar Norfolk Species
Large Thorn
Ennomos autumnaria
August Thorn
Ennomos quercinaria
Forewing: 17-21mm.
Flight: One generation July-Oct.
Foodplant:   Ash.
Nat Status: Common
Verification Grade:  Adult: 1
Norfolk Status
One of the plainer-looking of Britain's 'Thorns'.
Deciduous woodland and suburban habitats where the larval foodplant ash found.

Recorded in 60 (87%) of 69 10k Squares.
First Recorded in 1873.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
30/09/2019+28TF81 - Castle Acre/Litcham
30/09/2019127TM49 - Geldeston/Haddiscoe
27/09/2019127TG10 - Wymondham/Cringleford
26/09/2019127TG01 - Lyng/N.Tuddenham
26/09/2019+27TG42 - Hickling/Horsey
Further info: Ennomos fuscantaria
 
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