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Alder Moth
Acronicta alni (Linnaeus, 1767)
Noctuidae: Acronictinae
2281 / 73.036
Photo © Dave Jones,  29/06/2013 - Stoke Holy Cross

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Similar Species: None
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
Status
Broad-leaved woodland, heathland, carr, fens, and scrub.
Prior to the use of MV traps, the species was considered quite rare, as it seldom comes to sugar or flowers.

Highly distinctive mature larvae, black with yellow partial hoops and a number of club-like hairs.

Recorded in 58 (78%) of 74 10k Squares.
First Recorded in 1873.
Last Recorded in 2025.
Additional Stats

Latest 10 Records
Date#VC10kArea
17/06/2025127TG11Costessey
01/06/2025127TG10Cringleford (UEA)
31/05/2025127TG11Costessey
31/05/2025127TG10Cringleford (UEA)
30/05/2025127TG51Scratby
30/05/2025128TM09Great Ellingham
30/05/2025127TG11Costessey
30/05/2025+27TG41Filby
29/05/2025127TG10Cringleford (UEA)
28/05/2025128TL79Mundford
Further info: Acronicta alni
 
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