Geometridae : Larentiinae
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Photo © Raymond A Watson,  Hollesley 27 July 22

Similar Suffolk Species
Rivulet
Perizoma affinitata
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Small Rivulet
Perizoma alchemillata

(Linnaeus, 1758) 1803 / 70.133

Morley's Final Catalogue: Doubtless still not uncommon throughout the County, as in 1890; but later noted only at Tuddenham (Waters), and light in Ipswich during 1893-5 (Pyett, Mly).

Recent Suffolk Status: Common.

Life history: Single-brooded.

Identification: Rivulet normally has a single rounded indentation near the centre of the inner edge of the cross band, sometimes with a smaller one also present but they are not of equal size.

Habitat: Open woodland, hedgerows, scrub areas, marshes and gardens.

Recorded in 50 (86%) of 58 10k Squares.
First Recorded in 1893.
Last Recorded in 2024.
Additional Stats

< Rivulet | Barred Rivulet >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
25/10/2024126TL78 - Brandon/Lakenheath
23/08/2024126TL93 - Bures/Nayland
14/08/2024126TL77 - Mildenhall
13/08/2024426TL78 - Brandon/Lakenheath
13/08/2024125TM25 - Wickham Market/Otley
Show Details | 1990 to 2024 | 2000 to 2024 | Graph Key
Express Record Small Rivulet
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Copyright © Lepidoptera UK 2025
   
Click Map for Details

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 9-11mm.
Flight: One generation June-Aug.
Foodplant:   Common hemp-nettle
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Times]
     
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2025. © James Wheeler - Norfolk Moths 2007 - 2025. Data © NOLA™ - Suffolk 2025
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