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Stigmella samiatella
Chestnut Pigmy (Zeller, 1839)
Nepticulidae: Nepticulinae
88 / 4.062
Photo © Rob Edmunds

Similar Norfolk Species
Black-headed Pigmy
Stigmella atricapitella
Common Oak Pigmy
Stigmella roborella
Wingspan: c.5-7 mm.
Flight: June and from July to August.
Foodplant:   Oak, Sweet Chestnut.
Nat Status: Local
Verification Grade:  Adult: 4  Mine: A
Norfolk Status
Local.
Another very similar species from the group.

Leaf-mine: June-July. Sept-Oct.
Long contorted gallery mine.

This species was until recently poorly recorded in Britain. As more studies have been undertaken, it has been found to be more widely present than previously thought. UKmoths

Verification Grade Comment: If mine on sweet chestnut otherwise needs breeding out and dissecting

Determination by Genitalia Examination (gen. det.) Required

Recorded in 31 (42%) of 74 10k Squares.
First Recorded in 1988.
Last Recorded in 2021.

Latest 5 Records
Date#VC10k Area
30/08/2021+28TF63 - Snettisham/Dersingham
30/10/2020+27TG11 - Drayton/Swannington
19/10/2020127TM19 - Flordon/Long Stratton
17/10/2020+28TF93 - Fakenham/Walsingham
20/08/2020128TF92 - Fakenham/Ryburgh
Further info: Stigmella samiatella
 
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