Elachistidae
ABH BF
Photo © Chris Lewis,  Sutton Fen, 12/08/2009. showing diagnostic angulation of the median fascia.

Similar Norfolk Species
Elachista poae
Sweet-grass Dwarf
Elachista atricomella
Black-headed Dwarf
 
Elachista pomerana
Fen Dwarf

Frey, 187038.035/605
Norfolk status
Endangered (proposed as a future Red Data Book species) Restricted to damp fenland in parts of East Anglia. Known from Stalham and Sutton in Norfolk, and Woodwalton Fen in Huntingdonshire.

The angulate fascia separates this species from all similar species except E. poae.

First recognized as British from specimens taken at Stalham, Norfolk in 1967 (E.C. Pelham-Clinton)

Leaf-mine: April (June, Aug)
Mine from leaf tip downwards covering full width of leaf at first, then irregular central line.

[MBGBI vol3 p378]

Recorded in 2 (3%) of 69 10k Squares.
First Recorded in 1967.
Last Recorded in 2014.

 

Elachista subnigrella  |  Elachista humilis >

Determination
Elachista pomerana - Sutton Fen (J Clifton)
Elachista pomerana - Catfield Fen, Slide 1649 (J Clifton)
Elachista pomerana - Sutton Fen- Slide 1639 (J Clifton)
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
23/07/2014127TG32 - Stalham/Catfield
02/06/2014+27TG32 - Stalham/Catfield
02/06/2014127TG32 - Stalham/Catfield
15/05/2014127TG32 - Stalham/Catfield
09/09/2011127TG30 - Brundall/Cantley
Express Record Elachista pomerana
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Copyright © Jim Wheeler 2015

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 8-10mm.
Season: April - Sept. (3 gens?)
Foodplant:   Wood Small-reed, Smooth Meadow-grass, Reed Canary-grass, others
Nat Status: pRDB1
 Immature Adult
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2015. © James Wheeler - Norfolk Moths 2015. Data © NOLA™ 2015