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Photo © Raymond A Watson,  Hollesley salt-marsh Oct 2015

Immature stages

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Coleophora maritimella
Sea-rush Case-bearer

Newman, 1873585 / 37.078

Morley’s Final Catalogue: Not listed.

Recent Status: The species is recorded from salt-marsh in Suffolk.

Life Style: The moth is single brooded flying during June, July and early August. It flies at the end of the day and at night and comes to light. The larvae feed on the seeds of Juncus maritimus. They feed inside the seed before using a complete seed capsule as a case to feed from. They hibernate fully fed and pupate the following year.

Identification: The moth is a pale species with stripes. They can be found on salt-marsh in the evening at the food-plant. They can be identified by genitalia dissection. More Info
The larvae are difficult to locate and can be found by searching for holes in the side of seeds. They can also be found by collecting the foodplant and waiting for the larvae to leave for pupation. They must be fully exposed to the elements overwinter if they are to survive. More Info

Determination by Genitalia Examination (gen. det.) Required

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

Recorded in 1 (2%) of 58 10k Squares.
First Recorded in 2004.
Last Recorded in 2004.
Additional Stats

Coleophora lassella  |  Coleophora aestuariella >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
22/07/20041025TM23 - Felixstowe/Landguard Point
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Coleophora maritimella
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Copyright © Jim Wheeler 2021

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9-11mm
Flight: July
Foodplant:   Sea Rush
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 4  Case: C2
 Immature Adult
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2021. © James Wheeler - Norfolk Moths 2007 - 2021. Data © NOLA™ - Suffolk 2021
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