Food Plant: Quercus (Oak), Carpinus (Hornbeam), Fagus (Beech), Castanea (Sweet Chestnut).

Mine: March - April, July, October

Notes: The mine is oval on Q. ilex (Holm Oak), and similar to P. quercifoliella on deciduous oaks. It is between adjacent veins on beech and hornbeam.

Data: 2002, Lancashire

Image:© Ian Kimber