Pyralidae : Phycitinae
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Photo © Dave Appleton,  02/08/2015 - North Elmham

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Immature stages

Similar Norfolk Species
Acrobasis repandana
Beautiful Oak Knot-horn
Ephestia woodiella
Blushed Knot-horn
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Acrobasis consociella
Grey Oak Knot-horn

(Hübner, 1813)1437 / 62.038
=Broad-barred Knot-horn

Norfolk status
Similar to other British Acrobasis species but can appear more greyish.
Locally widespread, fairly common in woodland.

Recorded in 51 (69%) of 74 10k Squares.
First Recorded in 1884.
Last Recorded in 2025.
Additional Stats

Acrobasis marmorea | Apomyelois bistriatella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
09/07/2025128TF63Heacham
04/07/2025127TG31Upton
01/07/2025127TG32Neatishead / Barton Broad
30/06/2025+27TG31Alderfen Broad
29/06/2025128TF62King's Lynn
Show Details | 1990 to 2024 | 2000 to 2024 | Graph Key
Express Record Acrobasis consociella
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Copyright © Lepidoptera UK 2025
   
Click Map for Details

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 19-22 mm.
Flight: July and August
Foodplant:   Oak.
Nat Status: Local
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Times]

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Underlying maps using Digital Map Data © NOLA™ 2025. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2025. Data © NOLA™ 2025
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