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Grey Pine Carpet
Thera obeliscata (Hübner, 1787)
Geometridae: Larentiinae
1768 / 70.081
Photo © Rob Lee

Similar Norfolk Species
Pine Carpet
Pennithera firmata
Spruce Carpet
Thera britannica
Forewing: 13-17mm
Season: Two Generations
May-July, Sept-Nov
Foodplant:   Coniferous trees, Pine, Spruce, Cypress
Nat Status: Common
Verification Grade:  Adult: 1
Norfolk Status
Coniferous woodland, heathland.
Common throughout the British Isles. Adult moths can be easily disturbed during the day and come to light at night, often in large numbers. The larvae feed on a range of coniferous trees including Norway Spruce, Scots Pine, Douglas Fir, Lawson's Cypress and Monterey Cypress.

A very variable species in size, colour and markings and can be difficult to separate from Thera britannica (Spruce Carpet). Compared to Spruce Carpet it is usually light red-brown to dark brown rather than grey and is more lightly fluted narrowing dorsally, however, this can vary considerably.

Recorded in 65 (94%) of 69 10k Squares.
First Recorded in 1840.
Last Recorded in 2019.

Latest 5 Records
Date#VC10k Area
11/10/2019227TG11 - Drayton/Swannington
10/10/2019228TL99 - Thompson/Gt.Hocking
09/10/2019227TG11 - Drayton/Swannington
07/10/2019127TG11 - Drayton/Swannington
05/10/2019128TF63 - Snettisham/Dersingham
Further info: Thera obeliscata
UK Moths
Mothdissection UK
Suffolk Moths
Hants Moths Norfolk Moths (Full)
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