Food Plant: Betula (Birch)

Mine: August to September, with some larvae developing more slowly, and feeding again in April and May.

Notes: Larva mining leaves, the blotches brownish. The final case is 8-11mm long, slender, and fixed at 45° to leaf surface, with anal end laterally compressed. This case is shown along with the first case.

Data: 10.x.2024, King's Wood Heath and Reach, Bedfordshire, VC30

Image:© Melissa Banthorpe