Tortricidae : Olethreutinae
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Photo © Chris Knott,  Great Ellingham, 30th Aug 2013

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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 52 (75%) 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
08/10/2020+27TG30 - Brundall/Cantley
13/09/2020127TG33 - Bacton
08/09/2020+27TG30 - Brundall/Cantley
08/09/2020127TG02 - Foxley/Foulsham
03/09/2020+28TF62 - King's Lynn/Dersingham
 Show Details | 1990 to 2020 | 2000 to 2020 |
Express Record Bactra lancealana
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Copyright © Jim Wheeler 2021
   

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
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Historical UK Distribution (pre 2013)
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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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