Dark / Grey Dagger agg. (Acronicta psi agg., (Linnaeus, 1758))

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

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

KR08777x