Geometridae : Larentiinae
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Photo © Ben Sale,  Stevenage, Hertfordshire (01/08/15)

Similar Herts & Middlesex Species
Rivulet
Perizoma affinitata
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Small Rivulet
Perizoma alchemillata

(Linnaeus, 1758) 1803 / 70.133

General comments:
Widespread resident.

This species seems far more frequent than Rivulet and certainly so in Middlesex. In common with views expressed in some other texts the foodplant (Hemp Nettle, Galeopsis) appears to be absent from many sites where the moth is present; there may be an unknown alternative awaiting discovery or the plant may be overlooked. Larvae have been found on Galeopsis in our area at at Jacott's Hill, Cassiobury, but that was in 1966 - things may have changed?

Recorded in 34 (83%) of 41 10k Squares.
First Recorded in 1887.
Last Recorded in 2023.
Additional Stats

< Rivulet  |  Barred Rivulet >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
25/08/2023120TL00 - Hemel Hempstead
23/08/2023120TL21 - Welwyn Garden City
21/08/2023120SP91 - Tring
17/08/2023121TQ08 - Uxbridge
15/08/2023120TL11 - Harpenden / Wheathampstead
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Small Rivulet
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VC20 VC21 VC21 VC20
Click Map for Details
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 Weeks]
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