Geometridae: Larentiinae

1726 (ABH70.055) Large Twin-spot Carpet Xanthorhoe quadrifasiata, (Clerck, 1759)


 Photo © Barry Dickerson
Large Twin-spot Carpet
 Photo © Barry Dickerson
Monks Wood NNR, 16th July 2008
Monks Wood NNR, 16th July 2008
 Photo © Nick Greatorex-Davies
Monks Wood
Monks Wood
 Photo © Nick Greatorex-Davies
Monks Wood
Monks Wood
 Photo © Nick Greatorex-Davies

General Information

This species is larger than most other moths in the family. The clear, broad central cross-band is usually grey with darker lines running through it, with an elongated dark central dot. There is a melanic form f. thedenii.


Pupates in loose earth.

Overwinters as Overwinters as a larva.
Both sexes readily come to light, sometimes in numbers.

Forewing length: 14-16mm.
Foodplant(s): bedstraws (Galium spp.), Primrose (Primula vulgaris), violets (Viola spp.), herbaceous plants
Flying: One generation, mid June-early August
UK Presence: Resident
National status: Local


Damp, usually ancient, broadleaved woodland, fenland carr and scrubby heathland.

Regional Information

Recorded in 98 (36.3%) of the 270 2km squares of Huntingdonshire.

Last recorded in August 2019

Recorded date range (Adult): 01 June to 08 September

Similar Species
Balsam Carpet Xanthorhoe biriviata
 Photo © Barry Dickerson
Dark-barred Twin-spot Carpet Xanthorhoe ferrugata

Larva Type:
Grey, brown, black
No. of Proleg Pairs: