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Rivulet
Perizoma affinitata (Stephens, 1831)
Geometridae: Larentiinae
1802 / 70.132
Photo © Raymond A Watson,  Hollesley, Suffolk.

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Similar Species
Small Rivulet
Perizoma alchemillata
Forewing: 12-15mm.
Flight: Two generations May-July. Aug-Sept.
Foodplant:   Red Campion.
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 2
Status
Morley's Final Catalogue: By no means uncommon everywhere in thickets from Bentley Woods to Fritton; no specific records from the west.

Recent Suffolk Status: Locally common in the Brecks and along the coast as well as woodland in other areas.

Life history: Double-brooded.

Identification: Small rivulet is noticeably smaller and has 2 equal sized small indentations on the inner edge of the white cross band.

Habitat: Woodlands, hedgerows, scrub areas.

Recorded in 39 (67%) of 58 10k Squares.
First Recorded in 1940.
Last Recorded in 2024.

Latest 10 Records
Date#VC10kArea
13/04/2024125TM49Somerleyton/Beccles
16/08/2023125TM13Brantham/Holbrook
07/07/2023+25TM34Hollesley/Rendlesham Forest
27/06/2023+25TM34Hollesley/Rendlesham Forest
17/06/2023225TM49Somerleyton/Beccles
11/06/2023+25TM34Hollesley/Rendlesham Forest
09/06/2023125TM24Woodbridge/Martlesham
07/06/2023+25TM34Hollesley/Rendlesham Forest
30/05/2023225TG40Belton/Burgh Castle
30/05/2023125TM25Wickham Market/Otley
Further info: Perizoma affinitata
 
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