Eriocraniidae
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Photo © Chris Lewis,  Strumpshaw Fen, Norfolk 17/04/2011

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Eriocrania unimaculella
White-spotted Spring Jewel

(Zetterstedt, 1839)8 / 2.003
=White-spot Purple
=Heringocrania unimaculella

Norfolk status
Local.
Flies in sunshine.
Relatively common over much of Britain, easily distinguished from other Eriocrania by the silvery tornal spot, which in most other species is pale golden.

Leaf-mine: April- May, Birch. Vacated mines cannot be identified. Mine starting at the leaf edge, accumulation of frass showing where the mine has started. The larva of this species has a very dark head in the final instar. If the larva is examined it will be seen to have projections on the second abdominal segment.

Confusion with the name has occurred since the 2016 ABH checklist update, with some using genus Eriocrania and others subgenus Heringocrania!

Pre-1960 VC28 records [MBGBI vol1]

Verification Grade Comment: Mine: Reared or larval morphology

Mine: Moth needs to be reared and, in some cases, possibly dissected.

Recorded in 20 (27%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2024.
Additional Stats

Paracrania chrysolepidella  |  Eriocrania sparrmannella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
30/04/2024228TL99Great Hockham
30/04/2024327TG02Foxley Wood
29/04/2024128TL89Ickburgh (Memorial)
20/04/2024128TF61West Bilney Wood
17/03/2024128TF62Sandringham
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Eriocrania unimaculella
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9-11mm.
Flight: March - April.
Foodplant:   Birch
Nat Status: Local
Verification Grade:  Adult: 2  Mine: R
 Immature Adult   [Show Flight Times]

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Underlying maps using Digital Map Data © NOLA™ 2024. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ 2024