The Moths of Suffolk
2284 Grey Dagger, Acronicta psi, (Linnaeus, 1758)

National Status : Common

Local Status : Resident (SMP Status 1)

Distribution and abundance : Widespread and common

Habitats : In a wide variety, including woodland, scrub, hedgerows, gardens, heathland, grassland and fens

Flight Period : Single-brooded; May to August; reported partial second brood in September to October does not appear to have been noted in the county

Larval foodplants : Various broad-leaved trees and shrubs - found locally on elm, lime, Rowan, hawthorns

Morley's Final Catalogue : Referring to Dark Dagger and Grey Dagger The former, which was bred at Falkenham in May 1900 (Mly), is usually considered the rarer; but its British distribution centres here, so in Suffolk they appear equally frequent and widespread from Ipswich to Gorleston and Bury: no Breck records.

Wingspan details : Forewing 17-20mm, Wingspan 34-45mm

Identification

Confusion species
    AdultDark Dagger, Acronicta tridens

Compare confusion species
    Adult

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Ipswich, Suffolk (viii.2003) © N Sherman

Flight chart
JFMAMJJASOND
18 46 100 22

Life history chart
JFMAMJJASOND
pupa pupa pupa pupa pupa imago imago ovalarvaimago larva larvapupa pupa pupa

Further Photographs

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Larva on hawthorn - Levington (28.viii.2004) © A Prichard
Found by day on Crab Apple - Groton Wood, Suffolk (x.2004) © N Sherman
Eye (12.v.2000) © Paul Kitchener
 
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On oak - Ipswich, Suffolk (viii.2005) © Neil Sherman
On Norway Maple - Mildenhall, Suffolk (9.ix.2006) © A Prichard
Confirmed by dissection. - Ipswich, Suffolk (vii.2007) © Neil Sherman
 
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Confirmed by dissection - Ipswich, Suffolk (vii.2010) © Neil Sherman