Pyralidae : Phycitinae
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Photo © Jon Kelf,  Neatishead 10/07/2022

Similar Norfolk Species
Acrobasis repandana
Warted Knot-horn
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Acrobasis tumidana
Scarce Oak Knot-horn

(Denis & Schiffermüller, 1775)1435 / 62.033
=Conobathra tumidana
Norfolk status

Immigrant from mainland Europe to southern England, with recent records in Suffolk.

The adult resembles Acrobasis repandana but shows a diagnostic ridge of reddish raised scales next to a white crossbar.

Recorded in Bradwell, Norfolk (VC25 East Suffolk) in 2020 (K. Knights, 14/08/2020) and old Suffolk records from Fritton Lake, Norfolk (VC25) in 1934.

New for Norfolk in 2022 at Neatishead (J. Kelf, 10/07/22)

Retained Specimen / Photograph will be Required.

Recorded in 1 (1%) of 74 10k Squares.
First Recorded in 2022.
Last Recorded in 2022.
Additional Stats

Nephopterix angustella  |  Acrobasis repandana >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
10/07/2022127TG32 - Stalham/Catfield
Show Details | 1990 to 2021 | 2000 to 2021 | Graph Key
Express Record Acrobasis tumidana
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 19-24mm
Flight: One generation, July to August
Foodplant:   Oak, Quercus
Nat Status: Migrant
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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