Noctuidae : Acronictinae
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Photo © Alan Prior,  Male - Genitalia Determined- Richards Castle - 13th July, 2021

Immature stages

Similar West Midlands Species
Grey Dagger
Acronicta psi
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Dark Dagger
Acronicta tridens

([Denis & Schiffermüller], 1775) 2283 / 73.037

A common resident found throughout.

The map shows the distribution of adults identified by dissection or as larvae.

Found in a range of habitats.

Overwinters as a pupa with the adults coming readily to light.

Note Adults of Dark and Grey Daggers cannot be distinguished other than by dissection but the larvae can be separated with care.

In Dark Dagger larvae the hump is smaller than on Grey Dagger; there are three red dashes on each segment whereas there are two on Grey Dagger and the warts on each segment are white whereas on Grey Dagger they appear as dark spots (Roy Leverton).

Verification Grade Comment: Adults require dissection

Determination by Genitalia Examination (gen. det.) Required

Recorded in 63 (45%) of 140 10k Squares.
First Recorded in 1857.
Last Recorded in 2022.
(Data up to end 2022)
Additional Stats

Forewing: 17-20mm
Flight: May - July (September - October)
Foodplant:   Broadleaved trees and shrubs
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 4
< Alder Moth  |  Grey Dagger >
List Species Records   [Show All Latest]
Latest 5 Records (data up to end 2022)
Date#VC10k Area
07/08/20221VC40 - ShropshireSO57 -
30/07/20221VC40 - ShropshireSJ71
22/07/20221VC40 - ShropshireSJ71
21/07/20221VC40 - ShropshireSO49
06/07/20221VC40 - ShropshireSO57

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