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38.004 Elachista argentella (Clerck, 1759)
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Food Plant: a wide variety of grasses - mine illustrated is on Festuca sp.

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, with larva). The frass is packed in the top of the mine (as shown).

Data: 25.iii.2021, Sidlings Copse, Oxfordshire, VC23

Image:© Will Langdon

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