Geometridae : Ennominae
  Prev | Next  
Photo © Paul Bryant,  Woolpit, Suffolk

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

(Hufnagel, 1767) 1912 / 70.233

Recent Suffolk Status: Local.

Life history: Although widely distributed across the county, this species is never common but is recorded annually. It has a single generation, flying between July and September.

Identification: It is one of a few similar 'Thorns' but can be distinguished by the shape of the cross-lines on the forewings; the inner line is distinctly curved whilst the outer line is kinked where is meets the leading edge.

Habitats: The moth inhabits woodland, parks and gardens where the larvae feed on trees such as Oak and Beech.

Recorded in 33 (57%) of 58 10k Squares.
First Recorded in 1893.
Last Recorded in 2021.
Additional Stats

< Large Thorn  |  Canary-shouldered Thorn >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
11/09/2021125TM37 - Halesworth
07/09/2021426TM06 - Bacton/Stowupland
05/09/2021126TL96 - Thurston/Elmswell
01/09/2021825TM46 - Minsmere/Leiston
31/08/2021326TM06 - Bacton/Stowupland
Show Details | 1990 to 2021 | 2000 to 2021 | Graph Key
Express Record August Thorn
We need your records!
Do you have records of August Thorn?
Put your own dot on the map!

Copyright © Jim Wheeler 2022
   

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 2022. © James Wheeler - Norfolk Moths 2007 - 2022. Data © NOLA™ - Suffolk 2022
We use cookies to personalise content and enhance your experience. By clicking OK or using this site, you consent to the use of cookies unless you disable them. Cookies Policy