Geometridae : Larentiinae
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Photo © Antony Wren,  Lowestoft, Suffolk 13.7.19

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Similar Suffolk Species: None
 
Scallop Shell
Rheumaptera undulata

(Linnaeus, 1758) 1789 / 70.121
=Hydria undulata

Morley's Final Catalogue: Wide spread, frequent in marshes among sallow. Bures; Dodnash (Hkg); Bentley Woods; Ipswich, Brandeston; at Monks Soham light in July 1906 only (Mly); Needham. Worlingham and Fritton (Crf), but not recently in Lothingland.

Recent Suffolk Status: Local, mainly along river valleys and the coast.

Life history: Single-brooded. Larva found in a spinning on Spiraea douglasii in a garden in 2017, the moth bred out to confirm (N. Sherman).

Identification: This beautiful species is unmistakeable.

Habitat: Carr woodlands, river valleys.

Recorded in 40 (69%) of 58 10k Squares.
First Recorded in 1906.
Last Recorded in 2023.
Additional Stats

< Argent & Sable  |  Scarce Tissue >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
18/07/2023226TL78 - Brandon/Lakenheath
18/07/2023125TM59 - Lowestoft
16/07/2023525TG40 - Belton/Burgh Castle
10/07/2023125TM24 - Woodbridge/Martlesham
08/07/2023125TM45 - Aldeburgh/Orford
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Scallop Shell
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Copyright © Jim Wheeler 2024
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 16-19mm.
Flight: One generation June-July.
Foodplant:   Sallows, Aspen, Billberry
Red List: Least Concern (LC)
GB Status: Common
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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