Geometridae : Larentiinae
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Photo © CLIVE IRELAND,  Minsmere Suffolk 20July2016

Similar Suffolk Species
Red Twin-spot Carpet
Xanthorhoe spadicearia
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Dark-barred Twin-spot Carpet
Xanthorhoe ferrugata

(Clerck, 1759) 1725 / 70.052

Morley's Final Catalogue: Constantly beaten from every hedge in the County, from Nayland to Gorleston.

Recent Suffolk Status: Local.

Life history: Double-brooded.

Identification: Red twin-spot and Dark barred twin-spot carpets are a tricky pair to tell apart. Dark barred appears rarer in the county and is more associated with wetland habitats. Dark barred can have a distinctive small notch on the inner edge of the dark band, but this feature is not 100% reliable. Dark barred also has a red form but this is apparently rare and would need to be proven as a record by dissection. Classic examples with a very dark cross band will be accepted as Dark barred.

Habitat: Mainly damper habitats including fens, river valleys and reedbeds.

Recorded in 52 (90%) of 58 10k Squares.
First Recorded in 1940.
Last Recorded in 2024.
Additional Stats

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Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
13/05/2024126TL78 - Brandon/Lakenheath
01/05/2024126TL84 - Sudbury/Glemsford
30/08/2023126TL77 - Mildenhall
22/08/2023125TM46 - Minsmere/Leiston
15/08/2023225TM49 - Somerleyton/Beccles
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Dark-barred Twin-spot Carpet
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Copyright © Lepidoptera UK 2024
   
Click Map for Details

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 12-13mm.
Flight: Two Generations. May-Jun. Jul-Aug.
Foodplant:   Herbaceous plants
Red List: Near Threatened (NT)
GB Status: Common
BAP Status: Declining (Research only)
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Times]
     
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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