Tortricidae : Olethreutinae
  Prev | Next  
Photo © Francis Farrow,  31/05/2018 - Beeston Common

View all 19 photos >

Similar Norfolk Species
Bactra furfurana
Mottled Marble
Bactra lacteana
Scarce Sedge Marble
Approx Length (c. 10mm) Wingspan (11-20 mm.)
Upload a Photo
Bactra lancealana
Rush Marble

(Hübner, 1799)1111 / 49.194
Norfolk status
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 (70%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2021.
Additional Stats

Endothenia quadrimaculana  |  Bactra furfurana >

Bactra lancealana showing crescent-shaped discocellular mark
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
08/09/2021127TG13 - Baconsthorpe
07/09/2021128TF63 - Snettisham/Dersingham
07/09/2021+27TG41 - Acle/Hemsby
06/09/2021127TG13 - Baconsthorpe
06/09/2021128TF74 - Holme/Titchwell
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Bactra lancealana
We need your records!
Do you have records of Bactra lancealana?
Put your own dot on the map!

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

Photos Required | T-shirts | Data Policy | Cookies Policy
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ 2021
We use cookies to personalise content and enhance your experience. By clicking OK or using this site, you consent to the use of cookies unless you disable them. Cookies Policy