Tortricidae : Olethreutinae
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Photo © Mike Crewe,  MV trap, Sheringham

Similar Norfolk Species
Bactra furfurana
Mottled Marble
Bactra lacteana
Scarce Sedge Marble
Approx Length (c. 10mm) Wingspan (11-20 mm.)
      
      
      
      
    
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Bactra lancealana
Rush Marble
(Hübner, 1799)1111 / 49.194
Norfolk status
Widespread.
Easily confused with other Bactra species.
Distinguished from B. furfurana by the crescent-shaped discocellular mark and the absence of a basal patch on the forewing. Unicolorous specimens can only be separated by examination of the genitalia.

Please note: Bactra lacteana
Discovered in Britain 1996. Specimens of Bactra lancealana showing two short blackish sub-apical streaks should be checked by reference to the genitalic structure.

Recorded in 53 (77%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.
Additional Stats

< Endothenia quadrimaculana  |  Bactra furfurana >

Determination
Bactra lancealana showing crescent-shaped discocellular mark
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
31/07/2020227TM49 - Geldeston/Haddiscoe
31/07/2020+27TG13 - Baconsthorpe
30/07/2020+27TM49 - Geldeston/Haddiscoe
18/07/2020128TF63 - Snettisham/Dersingham
18/07/2020127TG23 - N.Walsham/Roughton
 Show Details | 1990 to 2019 | 2000 to 2019 |
Express Record Bactra lancealana
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Copyright © Jim Wheeler 2020
   

Wingspan: 11-20 mm.
Flight: Two Generations. Jun - Oct.
Foodplant:   Various rushes.
Nat Status: Common
Verification Grade:  Adult: 2
 Immature Adult
Further info: Bactra lancealana
 
UK Moths
Suffolk Moths
Essex Field Club
Hants Moths
Dorset Moths
Northumberland Moths
Somerset Moth Group
Yorkshire Moths
Svenska fjarilar
Lepiforum.de
NBN Atlas
Historical UK Distribution (pre 2013)
Moth Dissection UK

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