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Ectoedemia heringella
New Holm-Oak Pigmy (Mariani, 1939)
Nepticulidae: Nepticulinae
36a / 4.088
Photo © Graham Moates,  Wymondham 09/03/2019

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Similar Norfolk Species
Holm-oak Pigmy
Stigmella suberivora
Wingspan: c. 5-6mm.
Flight: June - July.
Foodplant:   Holm Oak
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 4  Mine: L
Norfolk Status
First discovered in London, 2002 and has since spread substantially.

First Norfolk record of several million mines on Holm Oak at Thetford. (Lee Gregory, 03/04/11)
"The trees were totally infested and it was a job to find a leaf without mines and most leaves having 5+ mines! "

Leaf-mine: Nov - April - A contorted gallery mine with usually several mines in one leaf.

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 43 (62%) of 69 10k Squares.
First Recorded in 2011.
Last Recorded in 2021.

Latest 5 Records
Date#VC10k Area
15/07/2021+27TG32 - Stalham/Catfield
24/04/2021128TF60 - Downham/Fincham
22/04/2021+28TF60 - Downham/Fincham
04/04/2021+27TG04 - Blakeney/Cley
14/03/2021+27TG11 - Drayton/Swannington
Further info: Ectoedemia heringella
 
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