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Orchestes testaceus (Müller, 1776)
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developing mine
developing mine


Food Plant: Alnus sp. (Alder), Betula sp. (Birch)

Egg: Underside of leaf

Mine: Early Summer

Notes: Initially a gallery is formed which runs towards the leaf edge from a vein. The mine then becomes a blotch and a spherical cocoon develops in this. The mine is brown. The developing mine is shown on A.glutinosa. The bottom photo shows more detail of the top photo. An uncommon UKBAP species.

Data: 08.v.2015, Mol, (Antwerpen), Belgium

Image:© Carina van Steenwinkel

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