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. The early gallery is shown.

Data: 01.vi.2005, Basingstoke, Hants, VC12

Image:© Mike Wall