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Dark Dagger
Acronicta tridens ([Denis & Schiffermüller], 1775)
Noctuidae: Acronictinae
2283 / 73.037
Photo © Jim Wheeler

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Similar Species
Grey Dagger
Acronicta psi
Forewing: 17-20mm.
Flight: One generation May-July. (Sept-Oct)
Foodplant:   Broadleaved trees and shrubs.
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 4
Status
Local.
Many habitats.
Possibly under-recorded as cannot be readily distinguished as an adult from Grey Dagger (Acronicta psi) except by examination of the genitalia.

Unconfirmed specimens please record as Dark/Grey Dagger agg.

Map shows only confirmed post 2000 records. (pre 2000 data unconfirmed)

Determination by Genitalia Examination Required

Recorded in 40 (54%) of 74 10k Squares.
First Recorded in 1834.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
03/08/2023128TF92North Elmham
30/06/2023128TF92North Elmham
23/06/2023127TG14Sheringham / Beeston
18/07/2022128TL79Mundford
17/07/2022128TF92North Elmham
10/07/2022128TF92North Elmham
02/07/2022+27TM09Attleborough
22/06/2022127TG02Hindolveston
04/06/2022128TF92North Elmham
19/09/2021127TG42Eccles
Further info: Acronicta tridens
 
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