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. Often pyriform. Widespread. As the mine ages it can appear as a large brown blotch. A mature larva is shown. The prothoracic dorsla plate is edged black. In ventral view (lower photo), the meso and meta thoracic plates are prominent. The larva also has ringed legs on the throax.

Data: 01.vii.2005, Fleet, Hants,VC12

Image:© Rob Edmunds