Tortricidae : Tortricinae
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Similar Suffolk Species
Cnephasia stephensiana
Grey Tortrix
Approx Length (c. 9mm) Wingspan (15-18 mm.)
      
      
      
      
    
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Cnephasia asseclana
Flax Tortrix

([Denis & Schiffermüller], 1775)1021 / 49.051
=interjectana

Morley’s Final Catalogue: Very common everywhere from Monks Soham fly-trap (Mly) to Tuddenham on plantain (Sparke). Gorleston (D).

Recent Status: A common species that is probably under-recorded.

Life Style: A single brooded summer flying species. The larvae initially mine a leaf. After hibernation they feed on a variety of mostly herbaceous plants from spinnings in which they pupate.

Identification: This species can only reliably be identified from dissection of the genitalia. More Info It is one of the earlier summer flying species.
Within the grey British Cnephasia species only two can be reliably identified without examination of the genitalia. C. communana flies early in the year so that any Cnephasia found during April or early May will be C. communana. C. pumicana is a small species that is very pale slightly brownish grey and very lightly marked such that the distal edge of the central band fades into the pale background colour. No other species is so small and lightly marked.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 19 (33%) of 58 10k Squares.
First Recorded in 1987.
Last Recorded in 2018.
Additional Stats

Cnephasia stephensiana  |  Cnephasia pasiuana >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
30/06/2018+25TM34 - Hollesley/Rendlesham Forest
15/06/2018+25TM25 - Wickham Market/Otley
29/06/2017+25TM35 - Snape/Tunstall
26/06/2017+25TM34 - Hollesley/Rendlesham Forest
25/06/2017+25TM34 - Hollesley/Rendlesham Forest
Show Details | 1990 to 2019 | 2000 to 2019 |
Express Record Cnephasia asseclana
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Copyright © Jim Wheeler 2020
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 15-18 mm.
Flight: June and August. (May)
Foodplant:   Herbaceous plants.
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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