Psychidae : Naryciinae
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Dahlica triquetrella
Narrow Lichen Bagworm

(Hübner, 1813)176 / 11.003
Norfolk status
Hard to distinguish between other related species.

Only the parthenogenetic wingless female form of Dahlica triquetrella has been recorded in Britain.

Listed in 1873-4 at Brandon said to be 'abundant on old palings - everything reared apterous females' (C. Barrett)

Two cases of Dahlica triquetrella were found at Breydon saltmarsh in 2012.(J.R.Langmaid, 06/06/12)

Verification Grade Comment: Parthenogenetic

Retained Specimen / Photograph will be Required.

Case: A good quality photo or specimen of the case and plant/pabulum and the bred moth is required.

Recorded in 2 (3%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2012.
Additional Stats

Narycia duplicella  |  Dahlica lichenella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
06/06/2012227TG50 - Yarmouth
1874+28TL78 - Hockwold/Weeting
Show Details | 1990 to 2020 | 2000 to 2020 |
Express Record Dahlica triquetrella
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Copyright © Jim Wheeler 2021
   

Foodplant:   Lichens, and decaying plants
Nat Status: pRDB2
Verification Grade:  Adult: 3  Case: C3
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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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