Geometridae: Larentiinae

1719 (ABH70.046) Oblique Carpet Orthonama vittata, (Borkhausen, 1794)


 Photo © Barry Dickerson
Oblique Carpet
 Photo © Barry Dickerson
nr Llanfyllyn, N Wales. 11-09-2018. Light trap.
nr Llanfyllyn, N Wales. 11-09-2018. Light trap.
 Photo © Nick Greatorex-Davies

General Information

This species has a straw-coloured forewing, with a dark streak running from the wing tip to join the fine, dark outer cross -lines. The outermost area is pale and there is a darker central cross-band which is paler around the small black central dot, its outer edge angled around it. The intensity of the markings varies.

Overwinters as Overwinters as a larva.
Male readily comes to light, sometimes in numbers. Female not.

Forewing length: 11-14mm.
Foodplant(s): Marsh Bedstraw (Galium palustre), Heath Bedstraw (Galium saxatile)
Flying: Two generations, late May-June and August-September
UK Presence: Resident
National status: Local


Fens, marshes, bogs, water meadows, damp woodland and ditch banks.

Regional Information

Recorded in 14 (5.2%) of the 270 2km squares of Huntingdonshire.

Last recorded in August 2022

Recorded date range (Adult): 06 May to 11 September

Similar Species
Female, Carmarthenshire
Female, Carmarthenshire
 Photo © Martin Lovell
Oblique Striped Phibalapteryx virgata
ex Norfolk, 2006
ex Norfolk, 2006
 Photo © Nick Greatorex-Davies
Many-lined Costaconvexa polygrammata

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