Geometridae : Larentiinae
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Photo © Rob Dyke,  Hockwold (garden) 14/07/12

  Immature stages

Similar Norfolk Species: None
 
Marsh Carpet
1810 Gagitodes sagittata
(Fabricius, 1787) 70.140
=Perizoma sagittata
Norfolk status
Extremely Rare.
Wetland localities inc fens, marshes and wet meadows.
Established colony along the Norfolk and Suffolk border at Lakenheath Fen/Botany Bay, where it was rediscovered in 2002 (last recorded 1984) and is monitored annually by the SMG.

Almost as famous as the Hollly Blue for erratic population change, at one time thought to be extinct because of its absence from all sites from 1940 to mid 1950s after which it was reported from many of them from Nottinghamshire to the Broads. It remains unpredictable, it may have a run of years at one site and then vanish for as long. The moth is rarely seen and we depend for data upon its beautifully cryptically coloured larva on seedheads of Thalictrum (Meadow Rue) G. Haggett (NMS No.55, 1999)

Several old Norfolk records, but only a few recent sightings of adults form Hockwold (close to the Suffolk colony at Lakenheath) and a few odd sightings along the Wensum valley and Norwich area.

Larvae recently rediscovered from a site in West Norfolk, the first larval records for decades! (J Wheeler, 2010)

Recorded in 19 (28%) of 69 10k Squares.
First Recorded in 1762.
Last Recorded in 2013.

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Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
30/07/2013+27TG30 - Brundall/Cantley
18/07/2013127TM49 - Geldeston/Haddiscoe
16/07/2013127TG10 - Wymondham/Cringleford
07/07/2013127TG01 - Lyng/N.Tuddenham
July 2013127TG10 - Wymondham/Cringleford
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Copyright © Jim Wheeler 2014
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 13-17mm.
Season: One generation June-July.
Foodplant:   Common Meadow-rue Lesser Meadow-rue (Ripening seeds)
Nat Status: Nationally Scarce A
 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™