Cosmopterigidae : Cosmopteriginae
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Photo © Graham Geen,  14/06/2021 - Beechfields, Brandon

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Cosmopterix orichalcea
Marsh Cosmet

Stainton, 1861896 / 34.007

Morley’s Final Catalogue: A very resplendent and local species through the southern half of England in late June ; ' Suffolk' is one of the counties it patronises (Meyrick).

Recent Status: There are no recent records for Suffolk. The species is found in Norfolk Broadland.

Life Style: A single brooded fenland species that flies between May and August. The larvae mine a variety of Gramineae, including Phragmites, Phalaris, Anthoxanthum, Schedonorus, Milium and Hierochloe. They hibernate away from the mine and pupate in the year following oviposition.

Identification: Cosmopterix species require careful examination of the patterning to separate the species. The large basal patch is the key to this species. The larvae mine long narrow galleries and may move between plants. More Info

Retained Specimen / Photograph will be Required.

Recorded in 1 (2%) of 58 10k Squares.
First Recorded in 2021.
Last Recorded in 2021.
Additional Stats

Cosmopterix zieglerella  |  Cosmopterix pulchrimella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
14/06/2021126TL78 - Brandon/Lakenheath
Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Cosmopterix orichalcea
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Copyright © Jim Wheeler 2021
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 8-10mm
Flight: May - August .
Foodplant:   Reed Canary-grass, Sweet Vernal-grass, Tall Fescue, Common Reed, millet, Holy Grass
Nat Status: Nationally Scarce A
Verification Grade:  Adult: 3
 Immature Adult
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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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