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Grey Dagger
Acronicta psi (Linnaeus, 1758)
Noctuidae: Acronictinae
2284 / 73.038
Photo © Tom Morris,  Alderholt

Similar Dorset Species
Dark Dagger
Acronicta tridens
Forewing: 17-20mm
Flight: May - August
Foodplant:   Broadleaved trees and shrubs
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 4

Davey, P., 2009: A widespread and often common species in Britain, the larva is polyphagous on deciduous trees and shrubs. In Dorset, the species is likely to be widespread and common with no ecological preference. The phenology chart uses all data for the two Daggers. Two-brood cycles are evident, the main univoltine cycle in July plus a partial bivoltine cycle in May and in August. The national norm is for a single brood in northern Britain and a double brood in the south. An extreme aberration was found at Lodmoor by C Day on 28 June 1932.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 22 (55%) of 40 10k Squares.
First Recorded in 1982.
Last Recorded in 2019.
(Data up to end 2019)

Latest 5 Records (Data up to end 2019)
Date#VC10k Area
02/08/2019+9SY98 - Wareham
16/07/201919SY49 - Bridport
26/09/201819ST90 - Spetisbury
13/08/201819SY99 - Lytchett Matravers
22/07/201819SY99 - Lytchett Matravers
Further info: Acronicta psi
 
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