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Coleophora maritimella
Sea-rush Case-bearer Newman, 1873
585 / 37.078
Photo © James Symonds Andy Brown,  31/08/2020 - Gun Hill - Larval case on Sea Rush

Similar Norfolk Species: None
Wingspan: 9-11mm
Flight: July
Foodplant:   Sea Rush
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 4  Case: C2
Norfolk Status
Frequents salt-marshes, river-banks and damp areas where Sea Rush (Juncus maritimus) can be found.
Similar to many other whitish species of Coleophora, and examination of the genitalia is advised.
Leaf-mine: September - May
The larva makes a case from the seedhead and the case may be seen as it moves around the flower head.

Recent records from Holme in 2001 (J. Clifton) and Gun Hill in 2020 (J. Symonds)

Old unknown records in VC28 listed as E.C. Pelham-Clinton and unknown VC27 (MBGBI map data)

[MBGBI v3 p327]

Determination by Genitalia Examination (gen. det.) Required

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

Recorded in 2 (3%) of 74 10k Squares.
First Recorded in 2001.
Last Recorded in 2021.

Latest 5 Records
Date#VC10k Area
24/09/2021328TF74 - Holme/Titchwell
31/08/2020+28TF84 - Burnham/Holkham
May 2001128TF74 - Holme/Titchwell
Further info: Coleophora maritimella
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