Noctuidae : Acronictinae
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Photo © CLIVE IRELAND,  Westleton. Suffolk 3June2018

Immature stages

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Similar Suffolk Species: None
Alder Moth
Acronicta alni

(Linnaeus, 1767) 2281 / 73.036

Morley's Final Catalogue: Apparently rarer than in 1890, when it had been found at Woolverstone, (not Ipswich by Bree); Glemham Magna (Bloomfield); Needham (L); Finburgh (Levett); Culford and West Stow (Wrt). Thence we know it only in a wood near Barham Green (Sparke) and a larva at Bungay (Mn).

Recent Suffolk Status: Local. More regularly recorded in modern times as it is strongly attracted to light traps.

Life History: Single-brooded, with odd records later in the year. The distinctive larvae have been found in the county on various trees. They resemble bird droppings when young but in the final instar they are banded yellow and black with distinctive club-shaped hairs along the sides.

Identification: Unmistakeable.

Habitats: Damp woodlands with Alder trees and Birch Woodland.

Recorded in 46 (79%) of 58 10k Squares.
First Recorded in 1960.
Last Recorded in 2024.
Additional Stats

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List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
03/06/2024125TM46 - Minsmere/Leiston
02/06/2024126TL84 - Sudbury/Glemsford
26/05/2024125TM46 - Minsmere/Leiston
19/05/2024125TM25 - Wickham Market/Otley
12/05/2024126TL78 - Brandon/Lakenheath
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Alder Moth
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Copyright © Lepidoptera UK 2024
Click Map for Details

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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 Times]
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2024. © James Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ - Suffolk 2024
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