Tortricidae : Tortricinae
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Photo © Brian Jones,  12/5/2011 Belton Norfolk, (VC25 East Suffolk record)

Similar Norfolk Species
Brevicornutia pallidana
Sheep's-bit Conch
Approx Length (c. 6mm) Wingspan (9-12mm)
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Thyraylia nana
Birch Conch

(Haworth, 1811)968 / 49.133
=Cochylis nana
Norfolk status
Distinctive species, diagnostic small size and grey/ochreous gound colour.

A fairly common and widely distributed species in England, Wales and Scotland.
Rather scarce in Norfolk with very few recent records.
A scattering of old records include six Victorian references from across Norfolk, and 1980's and 90's records from Hickling, Ringland, Aldeford, Bawdeswell, East Wretham, Bodney, Breckles heath and Kelling Heath.

Recent records at Foulden Common (J.Wheeler, 2011) and Sheringham (F.Farrow, 2011)

Recorded in 27 (39%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.
Additional Stats

Cochylidia implicitana  |  Cochylis roseana >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
31/05/2020128TF83 - N.Creake/Syderstone
30/05/2020328TL99 - Thompson/Gt.Hockham
23/05/2020128TF92 - Fakenham/Ryburgh
21/05/2020128TF63 - Snettisham/Dersingham
21/05/2020128TF92 - Fakenham/Ryburgh
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Thyraylia nana
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9-12mm
Flight: May-June
Foodplant:   Downy Birch, Silver Birch
Nat Status: Common
Verification Grade:  Adult: 2
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ 2021
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