Food Plant: Tussilago farfara (Colt's-foot)

Egg: site unknown

Mine: July-August; October-November

Notes: Forms an upper surface mine, with the surounding area turning purple (as shown). The frass is accumulated in one place in the mine and the larva may conceal itself under this. Found on small plants near the sea-shore, where there is little vegetation. A rare miner, found in Devon, Dorset and Hampshire. A larva from a mine on Tussilago farfara, showing the pinkish colouration that develops close to pupation.

Data: 15.x.2024, Devon, VC3

Image:© Will Langdon