Noctuidae: Acronictinae

73.037 (BF2283) Dark Dagger Acronicta tridens, ([Denis & Schiffermüller], 1775)

KR08776

 2010
 2011
 2012
 2013

General Information

This species cannot be readily distinguished as an adult from Grey Dagger except by examination of the genitalia. The larvae are, however, quite different.

 

Pupates in a crevice in tree bark.

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

Forewing length: 17-20mm.
Foodplant(s): hawthorns (Crataegus spp.), Blackthorn (Prunus spinosa), Rosaceae (Rosaceae spp.), cotoneasters (Cotoneaster spp.), Goat Willow (Salix caprea), oaks (Quercus spp.), broadleaved trees, broadleaved shrubs
Flying: One/two generations, mid May-July and September-October
UK Presence: Resident
National status: Common

Habitat

Woodland, fens and gardens.

Regional Information

There are no records in the system yet in MyPlace.

Similar Species
Grey Dagger Acronicta psi


Larva/Leafmine:
Larva Type:
With lumps, bumps or horn(s)
Colours:
Black, white, orange, red
No. of Proleg Pairs:
5