Noctuidae : Acronictinae
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Grey Dagger
Acronicta psi

(Linnaeus, 1758) 2284 / 73.038
Photo © Dave Hatton

Immature stages

Similar Yorkshire Species
Dark Dagger
Acronicta tridens
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Express Record Grey Dagger

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Yorkshire Status: Scarce and local resident.

Sutton & Beaumont, 1989: Widespread and often common in vice-counties 62 to 64 but few records for VC61 or VC65. This species may be less common than it appears since the proportion of A. tridens Denis & Schiffermiiller is at present unknown in most areas.

2012 (CHF): This species is probably widespread and common across all five vice-counties but as most records are submitted as Grey/Dark Dagger it is difficult to be sure. See comments under Dark Dagger. Grey Dagger is by far the commoner of the two species, especially on the higher ground.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 102 (51%) of 200 10k Squares.
First Recorded in 1847.
Last Recorded in 2022.
Additional Stats

< Dark Dagger  |  Dark / Grey Dagger >
Forewing: 17-20mm
Flight: May - August
Foodplant:   Broadleaved trees and shrubs
Red List Status: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 4
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
18/10/2022164SE54 - York (S/W)
03/10/2022+62SE39 - Northallerton
19/09/2022+61TA13 - Kingston Upon Hull (N/E)
09/09/2022163SE12 - Elland / Brighouse / Low Moor
08/09/2022161TA03 - Beverley (S) / Cottingham
  Immature   Adult
Show Details | 1990 to 2022 | 2000 to 2022 | Graph Key
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