Food Plant: Quercus petrea (Sessile Oak),Q.robur (Pendunculate Oak), Q.palustris (Pin Oak), Castanea sativa (Sweet Chestnut) Elsewhere: Q.aliena (Galcham Oak), Q.cerris (Turkey Oak), Q.dalechampii (Dalechamps Oak), Q.ithaburensis subsp. macrolepis (Mount Tabor Oak), Q.pubescens (Downy Oak) , Q. rubra (Red Oak)

Mine: Univoltine: summer

Pupa: Outside the mine

Notes: A large, whitish, upper surface blotch. The photo above shows the characteristic early twisted gallery. The mine illustrated is still developing and the larva has pale markings. Often pyriform. Widespread. As the mine ages it can appear as a large brown blotch

Data: 24.vi.2005, Fleet, Hants,VC12

Image:© Rob Edmunds