Noctuidae : Acronictinae
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Photo © Allan Drewitt

  Immature stages

Similar Norfolk Species: None
 
Light Knot Grass
2286 Acronicta menyanthidis
(Esper, 1789) 73.042
Norfolk status
Locally Scarce.
Moorland, bogs, heathland.
Broad, rounded, grey with blackish markings on forewings.
f.suffusa found in N England, and very locally in Norfolk.
Its nearest occurrence to Norfolk is the Staffordshire moorlands!

Modern day records only known from Roydon Common, and since 2000, at Desingham bog NNR.
Two larvae taken in the broads pre 1874, one of which was reared.
C. Barrett (Trans. 1874) "The moth is unquestionably this species. Had i not seen it I should have felt great doubt of the propriety of including this northern species in the Norfolk List."

Recorded in 4 (6%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2011.

‹ Marsh Dagger  |  Knot Grass ›

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
06/08/2011+28TF62 - King's Lynn/Dersingham
05/08/2011128TF62 - King's Lynn/Dersingham
22/06/2010128TF62 - King's Lynn/Dersingham
21/05/2010128TF62 - King's Lynn/Dersingham
26/07/2008128TF62 - King's Lynn/Dersingham
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Copyright © Jim Wheeler 2014
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 16-20mm.
Season: One generation May-July.
Foodplant:   Woody plants Bog-myrtle, Heather, Bilberry etc
Nat Status: Local
 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™