Geometridae : Larentiinae
ABH BF

Photo © Jim

  Immature stages

Similar Norfolk Species
Grey Pine Carpet
Thera obeliscata
 
Spruce Carpet
1769 Thera britannica
(Turner H J, 1925) 70.079
Norfolk status
Spruce plantations other coniferous woodland, heathland, grassland and gardens.
Can be hard to distinguish from Grey Pine Carpet, but is usually a bolder, better
marked insect and generally greyer in appearance than Grey Pine. Normally appears more variegated with the median band more fluted and normally edged narrowly with white.

Found throughout the British Isles, less common in Scotland and Ireland. Adult moths fly in two generations and come to light often in large numbers. The larvae feed on many coniferous trees, but mainly Norway Spruce, Sitka Spruce and Western Hemlock, but also Scots Pine, Douglas Fir and Lawson's Cypress.

Recorded in 53 (77%) of 69 10k Squares.
First Recorded in 1940.
Last Recorded in 2014.

‹ Chestnut-coloured Carpet  |  Fir Carpet ›

Determination
Grey Pine Carpet - Spruce Carpet comparison - Jon Clifton
Grey Pine Carpet - Spruce Carpet Comparison - Taken from Conifer Moths of the British Isles by J Clifton, J Wheeler 2012
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
15/09/2014128TF62 - King's Lynn/Dersingham
13/09/2014127TG11 - Drayton/Swannington
12/09/2014128TF62 - King's Lynn/Dersingham
12/09/2014127TG11 - Drayton/Swannington
07/09/2014127TG11 - Drayton/Swannington
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Copyright © Jim Wheeler 2014
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 13-17mm
Season: Two Generations
May-July, Sept-Nov.
Foodplant:   Norway Spruce, Sitka Spruce, Western Hemlock
Nat Status: Common
 Immature Adult
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Underlying maps produced by MapMate™ using Digital Map Data © HarperCollins-Bartholomew 2014. Data © Norfolk Moths 2014. Technology based on work by Mark Yeates @ MapMate™