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Acleris notana
Rusty Birch Button (Donovan, 1806)
Tortricidae: Tortricinae
1045 / 49.084

Similar Suffolk Species
Rusty Oak Button
Acleris ferrugana
Wingspan: 14-18mm.
Flight: Two Gens. June-July. Sept-May Overwintering.
Foodplant:   Birch. Alder, Bog-myrtle
Nat Status: Common
Verification Grade:  Adult: 4

Morley’s Final Catalogue: Not listed.

Recent Status: A common species in Suffolk. The comments by Morley for A. ferrugana cover both species.

Life Style: Double brooded the autumn brood hibernating. Flies at night and comes to light. The larvae feed from spun leaves on Betula and Alnus.

Identification: The species is very variable in colour and markings and a little more so than the similar A. ferrugana 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 21 (36%) of 58 10k Squares.
First Recorded in 1987.
Last Recorded in 2017.

Latest 5 Records
Date#VC10k Area
20/10/2017125TM24 - Woodbridge/Martlesham
06/07/2017125TM24 - Woodbridge/Martlesham
16/06/2017+25TM34 - Hollesley/Rendlesham Forest
15/11/2016+25TM45 - Aldeburgh/Orford
03/04/2016+25TM35 - Snape/Tunstall
Further info: Acleris notana
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