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Elachista serricornis
Dusky Dwarf Stainton, 1854
Elachistidae
626 / 38.042
Photo © Patrick Clement,  Netted, Chartley Moss, Staffordshire, Gen Det, male PC 6.7.2012

Similar Norfolk Species
Two-dotted Dwarf
Elachista biatomella
Wingspan: 6-9mm
Flight: June - July.
Foodplant:   Common Cottongrass (Wood-sedge now thought unlikely)
Nat Status: Nationally Scarce A
Verification Grade:  Adult: 4
Norfolk Status
Scarce.
Characteristic strong serrations on the antenna (from which it is named).
Boggy areas, damp shady woods and Broads.

Single Norfolk record from Barton Turf in 1983.

Leaf-mine: Long red brown gallery mine in autumn. Broad yellowish mine in spring after hibernation.

[MBGBI vol3 p400]
[Heckford, R. J. 1999. Biselachista serricornis (Stainton) (Lepidoptera: Elachistidae) bred from the stem of Eriophorum angustifolium Honck. Entomologist’s Gazette 50: 69–70.]

Determination by Genitalia Examination (gen. det.) Required

Recorded in 1 (1%) of 69 10k Squares.
First Recorded in 1983.
Last Recorded in 1983.

Latest 5 Records
Date#VC10k Area
13/07/1983127TG32 - Stalham/Catfield
Further info: Elachista serricornis
 
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