Tortricidae : Tortricinae
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Similar Norfolk Species
Acleris notana
Tawny Birch Tortrix
Approx Length (c. 9.5mm) Wingspan (15-19mm)
      
      
      
      
    
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Acleris ferrugana
Tawny Oak Tortrix

([Denis & Schiffermüller], 1775)1044 / 49.083
=Rusty Oak Button

Norfolk status
Very variable woodland species.
Resembles A. notana. Separated by examination of the genitalia.

A small black tuft of scales a short distance from head is not reliable for identification (as suggested in some literature) as both A. ferrugana and A. notana can show this feature.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 28 (38%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2024.
Additional Stats

Acleris hyemana | Acleris ferrugana/notana >

Determination
Acleris ferrugana - Weasenham Lyngs 26-07-13 Gen. Det. (f) J. Wheeler
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
07/11/2024128TF92Great Ryburgh
29/10/2024127TG13Hempstead
16/10/2024128TF92Great Ryburgh
06/10/2024128TF51Walpole Highway
29/07/2024127TG14Sheringham / Beeston
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Acleris ferrugana
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 15-19mm
Flight: Two Gens. July - Aug. Oct - Apr. Overwintering.
Foodplant:   Oak, sallow
Nat Status: Common
Verification Grade:  Adult: 4
 Immature Adult   [Show Flight Times]

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Underlying maps using Digital Map Data © NOLA™ 2024. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ 2024
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