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38.004 Elachista argentella (Clerck, 1759)
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the frass is packed at the apex of the mine

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 (as shown). The frass is packed in the top of the mine (as shown). Imago reared to confirm identity.

National Status: Common

Bradley No: 610

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

Image:© Ben Smart

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