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38.044 Elachista eleochariella Stainton, 1851
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Food Plant: Carex nigra (Common Sedge), Carex panicea (Carnation Sedge)

Mine: May

Notes: The larva forms a mine from the base of the leaf to the tip, which never crosses the midrib. It then mines down the opposite side of the midrib and the mine gradually becomes wider and is filled with dark frass. The early larvae appear yellowish, with blackish heads, whereas later larvae appear greenish-grey or grey with blackish heads. The pupa (as shown) is 3-4.5 mm long and attached to the leaf by a girdle between abdominal segments 4 and 5 and also by the cremaster. The larva and pupa was first illustrated in 2013 (Beavan & Heckford, 2013, Biselachista eleochariella (Stainton, 1851) (Lepidoptera: Elachistidae): an account of the larval stage. Entomologist’s Gazette 64: 209–215). Found locally in wet marshy peaty areas throughout Britain.

Data: 15.v.2012, ex mine 08.v.2012, Duartmore Burn, West Sutherland, VC108, S. D. Beavan/R. J. Heckford

Image:© S. D. Beavan/R. J. Heckford

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists