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Coleophora adjunctella
Saltern Rush Case-bearer Hodgkinson, 1882
586 / 37.068
Photo © James Symonds,  15/10/2023 - Case found in collected Juncus gerardii

Similar Norfolk Species
Grey Rush Case-bearer
Coleophora glaucicolella
Wingspan: 8-11mm
Flight: June - July
Foodplant:   Saltmarsh Rush
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 4  Case: C4
Norfolk Status

Nationally Scarce (Nb) in saltmarshes on the coast of England and Wales from Cumbria to Suffolk.

New for Norfolk at Sutton Fen in 2022 (M. A'Court, 09/06/2022 Gen. Det. Female)
First for VC28 larvae found at NWT Holme Dunes in 2023 (J. Symonds, 15/10/2023)

One of a number of salt-marsh Coleophora species that require dissection to identify.

The larvae feed within the seed capsules of Saltmarsh Rush (Juncus gerardii), the distinctive larval case is unmistakable. Please note that larval feeding holes of C. glaucicolella, another species often abundant on saltings, are very similar.

Determination by Genitalia Examination (gen. det.) Required

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

Recorded in 2 (3%) of 74 10k Squares.
First Recorded in 2022.
Last Recorded in 2023.

Latest 5 Records
Date#VC10k Area
15/10/2023228TF74 - Holme/Titchwell
09/06/2022127TG32 - Stalham/Catfield
Further info: Coleophora adjunctella
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