Noctuidae: Hadeninae

2150 (ABH73.261) Grey Arches Polia nebulosa, (Hufnagel, 1766)


Bulgaria 2005
Bulgaria 2005
 Photo © Nick Greatorex-Davies
Bulgaria 2005
 Photo © Nick Greatorex-Davies
North Wales, July 2012
North Wales, July 2012
 Photo © Nick Greatorex-Davies

General Information

This species ranges in ground colour from creamy-white to dark brown or blackish.


Pupates in loose soil.

Overwinters as Overwinters as a larva.
Both sexes readily come to light, sometimes in numbers.
Often found at rest during day

Forewing length: 21-26mm.
Foodplant(s): Hazel (Corylus avellana), birches (Betula spp.), honeysuckles (Lonicera spp.), sallows (Salix spp.), Bramble (Rubus fruticosus), docks (Rumex spp.), woody and low-growing herbaceous plants
Flying: One generation, June-July
UK Presence: Resident
National status: Common


Broadleaved woodland.

Regional Information

Recorded in 29 (10.7%) of the 270 2km squares of Huntingdonshire.

Last recorded in July 2019

Recorded date range (Adult): 04 June to 15 August

Similar Species
Great Staughton
Great Staughton
 Photo © Peter Bissell
Great Brocade Eurois occulta

Larva Type:
Brown, grey, black, red
No. of Proleg Pairs: