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Dark Dagger
Acronicta tridens ([Denis & Schiffermüller], 1775)
Noctuidae: Acronictinae
2283 / 73.037
Photo © Dave Appleton,  04/08/2014 - Bawdeswell (female, gen det)

Similar Norfolk Species
Grey Dagger
Acronicta psi
Forewing: 17-20mm.
Flight: One generation May-July. (Sept-Oct)
Foodplant:   Broadleaved trees and shrubs.
Nat Status: Common
Verification Grade:  Adult: 4
Norfolk Status
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 (gen. det.) Required

Recorded in 37 (54%) of 69 10k Squares.
First Recorded in 1834.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
08/08/2020127TG02 - Foxley/Foulsham
07/08/2020127TG02 - Foxley/Foulsham
31/07/2020127TG13 - Baconsthorpe
13/07/2020128TL79 - Methwold/Foulden
08/07/2020127TG02 - Foxley/Foulsham
Further info: Acronicta tridens
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