Noctuidae: Acronictinae

2284x (ABH73.038) Dark / Grey Dagger agg. Acronicta psi agg., (Linnaeus, 1758)


Hemingford Grey
Hemingford Grey
 Photo © Nick Greatorex-Davies
Hemingford Grey
 Photo © Nick Greatorex-Davies

General Information

This is the holding 'species' for records of Dark and Grey Dagger which haven't been positively identified by genital examination.

Overwinters as Overwinters as a pupa.
Both sexes come to light.

Forewing length: 13-20
Flying: One/two generations, mid May-August and September-October

Regional Information

Recorded in 101 (37.4%) of the 270 2km squares of Huntingdonshire.

Last recorded in April 2024

Recorded date range (Adult): 14 April to 29 September

Recorded date range (Larva/Leafmine): 26 June to 03 October