Tortricidae : Olethreutinae
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Similar Norfolk Species
Bactra furfurana
Marsh Lance
Bactra lacteana
Sedge Lance
Approx Length (c. 10mm) Wingspan (11-20 mm.)
      
      
      
      
    
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Bactra lancealana
Common Lance

(Hübner, 1799)1111 / 49.194
=Rush Marble

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 (72%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2023.
Additional Stats

Endothenia quadrimaculana  |  Bactra furfurana >

Determination
Bactra lancealana showing crescent-shaped discocellular mark
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
10/09/2023327TG32Ingham
09/09/2023127TG23North Walsham
06/09/2023+27TG40Halvergate
05/09/2023128TL78Weeting Heath
05/09/2023127TG10Cringleford / Intwood
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Bactra lancealana
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Wingspan: 11-20 mm.
Flight: Two Generations. Jun - Oct.
Foodplant:   Various rushes.
Nat Status: Common
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Times]

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Underlying maps using Digital Map Data © NOLA™ 2024. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ 2024
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