Prev Flights Rec Search
Dark Dagger
Acronicta tridens ([Denis & Schiffermüller], 1775)
Noctuidae: Acronictinae
2283 / 73.037
Photo © Lee Gregory,  28/06/2012 - Thetford.

Similar Norfolk Species
Grey Dagger
Acronicta psi
Forewing: 17-20mm.
Season: 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 35 (51%) of 69 10k Squares.
First Recorded in 1834.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
21/07/2019127TG14 - Sheringham
09/07/2019127TG13 - Baconsthorpe
02/06/2019128TF81 - Castle Acre/Litcham
26/08/2018+27TG31 - Horning/Hoveton
10/07/2018127TM49 - Geldeston/Haddiscoe
Further info: Acronicta tridens
UK Moths
Mothdissection UK
Suffolk Moths
Hants Moths Norfolk Moths (Full)
Back Record Home
iMoths V9.0 © Jim Wheeler 2019