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Knot Grass
Acronicta rumicis (Linnaeus, 1758)
Noctuidae: Acronictinae
2289 / 73.045
Photo © Darren Underwood,  Long Melford (14/05/2022)

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Similar Species
Poplar Grey
Subacronicta megacephala
Scarce Dagger
Acronicta auricoma
Forewing: 16-20mm.
Flight: Two generations May-June. Aug-Sept.
Foodplant:   Herbaceous and woody plants.
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
Status
Morley's Final Catalogue: Of quite frequent occurrence from Brantham to Beccles, and Aldeburgh to Brandon.

Recent Suffolk Status: Common.

Life history: Double-brooded. The distinctive and colourful larvae are commonly found in the county throughout the summer and autumn, feeding on a wide variety of plants including Brambles.

Identification: Poplar grey lacks the obvious white spot in the corner of the forewing. Scarce dagger also lacks the white spot and has a black dagger mark on the wing.

Habitat: A wide variety of habitats including gardens.

Recorded in 51 (88%) of 58 10k Squares.
First Recorded in 1940.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
04/10/2023125TM48Beccles/Brampton
17/09/2023126TL78Brandon/Lakenheath
04/09/2023+25TM34Hollesley/Rendlesham Forest
31/08/2023125TM25Wickham Market/Otley
25/08/2023126TL96Thurston/Elmswell
24/08/2023125TM06Bacton/Stowupland
22/08/2023125TM24Woodbridge/Martlesham
21/08/2023125TM24Woodbridge/Martlesham
21/08/2023125TM48Beccles/Brampton
21/08/2023126TL96Thurston/Elmswell
Further info: Acronicta rumicis
 
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