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Acleris ferrugana
Tawny Oak Tortrix ([Denis & Schiffermüller], 1775)
Tortricidae: Tortricinae
1044 / 49.083
Photo © Jim Wheeler,  Weasenham Lyngs 26/07/13 (gen. det. Female. JW)

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Similar Species
Tawny Birch Tortrix
Acleris notana
Wingspan: 15-19mm
Flight: Two Gens. July - Aug. Oct - Apr. Overwintering.
Foodplant:   Oak, sallow
Nat Status: Common
Verification Grade:  Adult: 4
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 Required

Recorded in 27 (36%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2024.

Latest 10 Records
Date#VC10kArea
10/03/2024128TL79Mundford
31/01/2024128TF63Dersingham
29/01/2024128TM09Great Ellingham
28/01/2024128TF91Dereham 
21/11/2023127TG04Glandford
07/11/2023127TG02Hindolveston
03/11/2023128TF92Great Ryburgh
28/10/2023127TG04Cley next the Sea
18/10/2023128TF92North Elmham
30/09/2023128TF63Dersingham
Further info: Acleris ferrugana
 
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