Tortricidae : Tortricinae
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Photo © Brian Jones

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 2019.
Additional Stats

Acleris hyemana  |  Acleris ferrugana/notana >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
04/07/2019125TM46 - Minsmere/Leiston
30/06/2019+25TM34 - Hollesley/Rendlesham Forest
30/03/2019125TM24 - Woodbridge/Martlesham
02/03/2019125TM49 - Somerleyton/Beccles
01/03/2019125TM24 - Woodbridge/Martlesham
Show Details | 1990 to 2019 | 2000 to 2019 |
Express Record Acleris ferrugana
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Copyright © Jim Wheeler 2020
   

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
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2020. © James Wheeler - Norfolk Moths 2007 - 2020. Data © NOLA™ - Suffolk 2020
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