Noctuidae : Acronictinae
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Similar Norfolk Species: None
Light Knot Grass
Acronicta menyanthidis

(Esper, 1789) 2286 / 73.042
Norfolk status
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."

Retained Specimen / Photograph will be Required.

Recorded in 4 (5%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2022.
Additional Stats

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List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
03/06/2022128TF62 - King's Lynn/Dersingham
18/05/2021128TF62 - King's Lynn/Dersingham
07/05/2016328TF62 - King's Lynn/Dersingham
19/07/2014128TF62 - King's Lynn/Dersingham
02/08/2013128TF62 - King's Lynn/Dersingham
Show Details | 1990 to 2021 | 2000 to 2021 | Graph Key
Express Record Light Knot Grass
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Copyright © Lepidoptera UK 2022

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 16-20mm.
Flight: One generation May-July.
Foodplant:   Woody plants Bog-myrtle, Heather, Bilberry etc
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 3
 Immature Adult

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Underlying maps using Digital Map Data © NOLA™ 2022. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2022. Data © NOLA™ 2022
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