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38.004 Elachista argentella (Clerck, 1759)
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different views o f the pupa are shown


Food Plant: a wide variety of grasses - mine illustrated is on Dactylis glomerata (Cock's-foot grass)

Egg: near the tip of the leaf

Mine: autumn - May

Notes: It makes a small narrow mine in the autumn and overwinters. In the spring it changes leaves and mines tip downwards. The mine fills the leaf width. The frass is packed in the top of the mine. Imago reared to confirm identity. The pale pupa has a pair of dorso-lateral pale brown lines (as shown).

Data: 09.v.2006, Chorlton, Lancashire, VC59

Image:© Ben Smart

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