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Stigmella trimaculella
Black-poplar Pigmy (Haworth, 1828)
Nepticulidae: Nepticulinae
73 / 4.039
Photo © David Norgate,  Toftwood, Dereham 23/07/2020

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Similar Norfolk Species
Sycamore-seed Pigmy
Ectoedemia decentella
Wingspan: 5-6 mm.
Flight: May and Aug.
Foodplant:   Black Poplar, Italian Poplar, Lombardy Poplar.
Nat Status: Common
Verification Grade:  Adult: -  Mine: A
Norfolk Status
Habitats where foodplant occurs.
Adults have cryptic wing pattern each with three creamy patches.

One of a few Nepticulidae that can be identified as adults by forewing markings.

Leaf-mine: June-July. Sept-Oct.

Recorded in 33 (48%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
07/11/2020228TF62 - King's Lynn/Dersingham
05/10/2020+28TF80 - Swaffham
13/09/2020+28TF74 - Holme/Titchwell
12/09/2020127TG23 - N.Walsham/Roughton
01/09/2020+28TL79 - Methwold/Foulden
Further info: Stigmella trimaculella
 
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