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Orchestes rusci (Herbst, 1795)
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forms a broad gallery then a cut out

Food Plant: Betula (Birch)

Mine: Bivoltine: late spring & summer

Pupa: Outside the mine in the cut-out disc

Notes: A broad gallery with scattered frass, usually along the edge of the leaf, ending at a circular blotch from which a case is cut leaving a round hole. (Formerly called Rhynchaenus rusci). The larva is a yellow colour, with distinctive anterior markings

Data:, Fleet, Hants,VC12

Image:© Rob Edmunds

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