Opostegidae : Oposteginae
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Photo © Mick ACourt,  19/06/2019 - Catfield Fen

Similar Norfolk Species
Opostega salaciella
Sorrel Bent-wing
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Pseudopostega auritella
Fen Bent-wing

(Hübner, 1813)120 / 5.003
=Opostega auritella
Norfolk status
Rare.
Fens, Broads.
Fairly distinctive species with white forewing and brown spot in middle of the dorsum.

A few 1990's Norfolk records and more recently at Sutton Fen in 2016 (M. A'Court)

Originally found in only two VC's in Britain, collected from Ranworth, Norfolk by Barrett. (Now in the BMNH).

In 2019 several specimens were recorded in the Broads in areas where little or none of the stated larval food plant, Marsh Marigold Caltha palustris, grows.

Recent studies in the Netherlands (van Nieukerken, in 2006 Franje 9(17) and Huisman et al. 2007, in Entomologische Berichten 67) show that Gypsywort Lycopus europaeus is the food plant and that the larvae mine the stem.

Several unusual specimens, (all male, confirmed by gen. det.), showing darker markings (see photos) were also netted, possibly an unknown form? - Mick A'Court.

Verification Grade Comment: Very localised

Retained Specimen / Photograph will be Required.

Recorded in 2 (3%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2019.
Additional Stats

Opostega salaciella  |  Pseudopostega crepusculella >

Determination
Male. Sutton Fen, Norfolk 30-06-2016 M. Acourt - J. Clifton
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
16/07/2019227TG31 - Horning/Hoveton
11/07/2019527TG32 - Stalham/Catfield
09/07/2019327TG32 - Stalham/Catfield
04/07/20191527TG32 - Stalham/Catfield
29/06/2019227TG31 - Horning/Hoveton
Show Details | 1990 to 2019 | 2000 to 2019 |
Express Record Pseudopostega auritella
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Copyright © Jim Wheeler 2020
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 9-12mm
Flight: June - July
Foodplant:   Gypsywort, (Marsh Marigold)
Nat Status: pRDB1
Verification Grade:  Adult: 3
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2020. © James Wheeler - Norfolk Moths 2007 - 2020. Data © NOLA™ 2020
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