Food Plant: Quercus (Oak), Castanea (Sweet Chestnut).

Egg: Underside of leaf

Mine: June - July, September - October

Notes: The gallery is long and broad, frass dispersed in later part of mine. Mine shown is on Castanea

Data: 12.ix.2006, Stansted Forest, W.Sussex, VC13, John Langmaid and Ian Thirlwell

Image:© John Langmaid