Tortricidae : Tortricinae
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Photo © Mick ACourt,  gen. det. J Clifton

Similar Norfolk Species
Phalonidia manniana
Water-mint Conch
Approx Length (c. 7mm) Wingspan (10-14mm)
      
      
      
      
    
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Phalonidia udana
Loosestrife Conch
(Guenée, 1845)926a / 49.102
Norfolk status
Unknown - Newly Recognised in Britain.

Resent research including examination of DNA bar codes has showed that there are two species amongst what were known as Phalonidia manniana.

Slight differences occur in appearance (see P. manniana) however these are extremely hard to define, and they can only be reliably determined by gen. det. P. udana is also slightly larger than P. manniana. (see comparison plate)

They also have different foodplants, P. manniana feeding as a larva on Water Mint and Gypsywort, P. udana feeding on Loosestrife.

Distribution in Britain is unknown until many more specimens have been correctly identified.

First published Norfolk specimen from Hickling in 2010. (D. Agassiz, 12/07/10). Recent research from small samples suggest the species seems confined to the Norfolk Broads with just one recorded away from here at Aldeby Carr along the Waveney Valley in 2014. Any specimens suspected of being this species must be retained. [Ent. Rec. 125 p150 (2013)]

New for West Norfolk in 2019 when a male moth was trapped at Titchwell, confirmed by Gen. Det. R. Terry (D. Howdon, A. Culshaw, 01/06/19)

New for Suffolk (VC26) in 2015 at RSPB Lakenheath Fen.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 7 (10%) of 69 10k Squares.
First Recorded in 1983.
Last Recorded in 2020.
Additional Stats

< Phalonidia manniana  |  Phalonidia affinitana >

Determination
phalonidia manniana - udana comparison - specimens from J. Clifton, M. Dale. plate by J. Wheeler
First published Norfolk specimen - Hickling - 12-07-2010 - D. Agassiz
Phalonidia udana, Upton Fen, Norfolk, 15 June 2002, Slide 1538 (J Clifton)
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
15/07/2020127TG32 - Stalham/Catfield
26/06/2020127TG32 - Stalham/Catfield
23/06/2020127TG32 - Stalham/Catfield
24/07/2019127TG32 - Stalham/Catfield
24/07/2019127TG41 - Acle/Hemsby
 Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key
Express Record Phalonidia udana
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Copyright © Jim Wheeler 2021
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 10-14mm
Flight: June - July (provisionally)
Foodplant:   Loosestrife
Nat Status: Unknown
Verification Grade:  Adult: 4
 Immature Adult
Further info: Phalonidia udana
 
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