Tortricidae : Tortricinae
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Photo © Jim Hodgkinson,  Dersingham 17/5/14

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

(Haworth, 1811)49.133/968
Norfolk status
Scarce.
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 21 (30%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2018.
Additional Stats

Cochylidia implicitana  |  Cochylis roseana >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
22/05/2018127TG21 - N.Norwich/Spixworth
04/07/2017227TG31 - Horning/Hoveton
01/06/2017127TG32 - Stalham/Catfield
27/05/2017127TG31 - Horning/Hoveton
24/05/2017127TG32 - Stalham/Catfield
Show Details | 1990 to 2018 | 2000 to 2018 |
Express Record Cochylis nana
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Copyright © Jim Wheeler 2019

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9-12mm
Season: 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™ 2019. © James Wheeler - Norfolk Moths 2007 - 2019. Data © NOLA™ 2019