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 (as above). Mine shown on Castanea (Sweet Chestnut)

Data: 29.ix.2009, Waresley Park, Huntingdonshire, VC31

Image:© Barry Dickerson