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Elachista utonella
Bog Sedge-miner (Frey, 1856)
Elachistidae
629 / 38.045
Photo © Jim Hodgkinson,  Male Gen Det Dersingham 6.8.18

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Similar Species
Saltern Rush-miner
Elachista scirpi
Wingspan: 8-9mm
Flight: May - July.
Foodplant:   Various sedges.
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 4
Status
Local, widespread.
Wet bogs and acid heaths.
Adult can be obtained by sweeping the foodplant.

This species is one of four Elachista species, E. scirpi, E. eleochariella, E. utonella and E. albidella that unless a near perfect specimen is available cannot reliably be identified without genitalia dissection.

Recent records from several locations in Norfolk.

Leaf-mine: March - May.

[MBGBI vol3 p403]

Determination by Genitalia Examination Required

Recorded in 22 (30%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2024.
Additional Stats

Latest 10 Records
Date#VC10kArea
13/08/2024128TF92North Elmham
12/07/2023127TG32Honing / Crostwight Common
08/07/2023128TF63Dersingham
08/07/2023127TG32Irstead / Catfield
26/06/2023127TM07Redgrave & Lopham Fen
24/06/2023127TG02Hindolveston
23/06/2023127TG02Hindolveston
14/08/2022128TF92North Elmham
01/08/2022127TG14Sheringham
30/07/2022128TM09Great Ellingham
Further info: Elachista utonella
 
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