Tortricidae : Tortricinae
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Photo © Helen McClennon-Warnock,  14/12/2020 - The Thicks - Wantisden. Gen det R.W.

Similar Suffolk Species
Acleris notana
Rusty Birch Button
Approx Length (c. 9.5mm) Wingspan (15-19mm)
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Acleris ferrugana
Rusty Oak Button

([Denis & Schiffermüller], 1775)1044 / 49.083

Morley’s Final Catalogue: A common birch-feeder, frequent about Ipswich, Aldringham, at Monks Soham light in July, Beccles; and Brandon. It hibernates: Bentley Woods up to 28 October and again on both 11 and 23 March "l896 (Mly).

Recent Status: A common species in Suffolk.

Life Style: Double brooded and hibernates. Larvae feed from spun leaves mostly on Quercus. The comments by Morley do not distinguish A. ferrugana from A. notana.

Identification: The species is very variable in colour and markings though a little less so than the similar A. notana from which it is only reliably separated by genitalia dissection. More Info
It should be noted that the images in Moths and Butterflies of Great Britain and Ireland are wrongly labelled in reverse for A. ferrugana and A. notana.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 24 (41%) of 58 10k Squares.
First Recorded in 1987.
Last Recorded in 2021.
Additional Stats

Acleris hyemana  |  Acleris ferrugana/notana >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
03/06/2021+25TM35 - Snape/Tunstall
22/02/2021125TM25 - Wickham Market/Otley
21/02/2021126TL78 - Brandon/Lakenheath
20/02/2021226TL78 - Brandon/Lakenheath
28/01/2021125TM13 - Brantham/Holbrook
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Acleris ferrugana
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Copyright © Jim Wheeler 2021

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
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ - Suffolk 2021
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