Geometridae : Ennominae
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Photo © Paul Bryant,  Woolpit, Suffolk

Similar Suffolk Species
September Thorn
Ennomos erosaria
Canary-shouldered Thorn
Ennomos alniaria
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August Thorn
Ennomos quercinaria

(Hufnagel, 1767) 1912 / 70.233

Morley's Final Catalogue: Not a common moth, especially in the west of the County. Copdock at light in 1897 (Hkg); distinctly rare at Ipswich in August 1893 (Mly); Waldringfield, Swefling, Aldeburgh, Beccles, Fritton in 1934, Flixton; Bungay at light in 1903 (Mn). Stowmarket and Bury before 1890.

Recent Suffolk Status: Local. Seemingly absent from the south-east and south-west of the county.

Life history: Single-brooded.

Identification: Rests with wings held quite flat unlike other similar species.

Habitat: Woodland, parkland, gardens.

Recorded in 35 (60%) of 58 10k Squares.
First Recorded in 1893.
Last Recorded in 2023.
Additional Stats

< Large Thorn  |  Canary-shouldered Thorn >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
28/08/2023125TM47 - Blythburgh/Dunwich
24/08/2023125TM25 - Wickham Market/Otley
21/08/2023125TM15 - Helmingham/Claydon
18/08/2023125TM25 - Wickham Market/Otley
17/08/2023126TL86 - Bury St Edmunds
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record August Thorn
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Copyright © Jim Wheeler 2024
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 18-22mm.
Flight: One generation Aug-Sept.
Foodplant:   Pedunculate Oak and Sessile Oak
Red List: Least Concern (LC)
GB Status: Common
BAP Status: Declining (Research only)
Former Status: Local
Verification Grade:  Adult: 1
 Immature Adult
     
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2024. © James Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ - Suffolk 2024
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