Tortricidae : Olethreutinae
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Photo © Jim Swalwell,  25/08/2019 - Titchwell RSPB

Similar Norfolk Species
Bactra lancealana
Rush Marble
Approx Length (c. 8.5mm) Wingspan (10-17mm)
      
      
      
      
    
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Bactra lacteana
Scarce Sedge Marble

Caradja, 19161111a / 49.196
Norfolk status
Discovered in Britain in 1996, easily confused with other Bactra species.

Specimens of Bactra lancealana showing two short blackish sub-apical streaks are potentially this species and should be checked by reference to the genitalic structure.

New for Norfolk in 2019, when a male was trapped near Burnham Market on 23/08/19 (K. Kerr) A female was also trapped at Titchwell RSPB (J. Swalwell, 25/08/19, Gen. Det. K. Kerr, Confirmed J. Clifton)

Determination by Genitalia Examination (gen. det.) Required

Recorded in 3 (4%) of 69 10k Squares.
First Recorded in 2019.
Last Recorded in 2020.
Additional Stats

Bactra furfurana  |  Bactra robustana >

Determination
30-05-2020 - Litcham Common Gen Det Male - Keith Kerr
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
30/05/2020128TF81 - Castle Acre/Litcham
25/08/2019128TF74 - Holme/Titchwell
23/08/2019128TF84 - Burnham/Holkham
Show Details | 1990 to 2019 | 2000 to 2019 |
Express Record Bactra lacteana
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Copyright © Jim Wheeler 2020
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 10-17mm
Flight: June-August
Foodplant:   Sedge
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 4
 Immature Adult
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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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