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Stigmella hemargyrella
Beech Pigmy (Kollar, 1832)
Nepticulidae: Nepticulinae
81 / 4.055
Photo © Oliver Richings,  18/10/2021 - Thetford Forest, Mundford

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Similar Norfolk Species
Small Beech Pigmy
Stigmella tityrella
Wingspan: 5-6 mm.
Flight: April and May, and later in July and August.
Foodplant:   Beech.
Nat Status: Common
Verification Grade:  Adult: 4  Mine: L
Norfolk Status
Local.
Bronzy brown forewing with silver metallic fascia.

Leaf-mine: June. Aug-Sept.
Narrow slender gallery, the frass becoming distinctly coiled.

Verification Grade Comment: Adults must be reared and/or Gen. Det. to confirm.

Determination by Genitalia Examination (gen. det.) Required

Mine: Either the leaf or a good photograph required

Recorded in 40 (54%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2021.

Latest 5 Records
Date#VC10k Area
29/11/2021228TF63 - Snettisham/Dersingham
06/11/2021+27TG11 - Drayton/Swannington
06/11/2021+27TG22 - Buxton
05/11/2021128TL79 - Methwold/Foulden
22/10/2021128TL99 - Thompson/Gt.Hockham
Further info: Stigmella hemargyrella
 
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