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Cosmopterix lienigiella
Fen Cosmet Lienig & Zeller, 1846
Cosmopterigidae: Cosmopteriginae
897 / 34.010
Photo © Allan Eaton,  14/6/20 Kessingland

Similar Suffolk Species: None
Wingspan: 10-13mm
Flight: May - Oct
Foodplant:   Common Reed
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 2

Morley’s Final Catalogue: Not listed.

Recent Status: Found in established Suffolk reed-beds.

Life Style: A single brooded species that comes to light. It has a long flight period and can occur from May to October. The larvae mine leaves of Phragmites where they hibernate and pupate.

Identification: Distinctive amongst the British Cosmopterix species. The larvae remain visible within the mine unlike C. scribaiella and the mine is not long and narrow as for C. orichalcea More Info

Recorded in 7 (12%) of 58 10k Squares.
First Recorded in 1965.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
14/06/2020125TM58 - Carlton Colville/Kessingland
29/06/2019+25TM34 - Hollesley/Rendlesham Forest
24/06/2019125TM24 - Woodbridge/Martlesham
01/06/2018+25TM35 - Snape/Tunstall
21/07/2017+25TM44 - Orford Ness
Further info: Cosmopterix lienigiella
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