Noctuidae : Acronictinae
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Photo © John Edmund Chainey,  Nuthampstead, Hertfordshire (20/05/20)

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Similar Herts & Middlesex Species: None
 
Alder Moth
Acronicta alni

(Linnaeus, 1767) 2281 / 73.036

General comments:
Declining resident. Becoming scarce.

The present-day map appears to show a worrying loss from a number of sites in the south and east of the Hertfordshire: The species is confined to only a handful of widely spread sites in Middlesex. This apparent loss was noted in the Herts Moth Book in 2008 and has scarcely changed since; it seems that the Alder Moth is in decline in our area.

Recorded in 24 (59%) of 41 10k Squares.
First Recorded in 1891.
Last Recorded in 2023.
Additional Stats

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List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
26/07/2023120TL31 - Hertford
10/06/2023120TQ09 - Watford / Rickmansworth
09/06/2023121TQ18 - Harrow / Wembley / Ealing
10/06/2022120SP91 - Tring
09/06/2022120TL21 - Welwyn Garden City
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Alder Moth
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 16-19mm.
Flight: One generation May-June.
Foodplant:   Broadleaved trees
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 1
 Immature Adult   [Show Flight Weeks]
© hertsmiddxmoths.uk 2024 NOLA®; Database using MapMate® Digital Maps © Bartholomew 2010. Design © Jim Wheeler 2024
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