Food Plant: Populus tremula (Aspen), sometimes P.alba (White poplar) and P.canescens (Grey Poplar)

Egg: Upper side of leaf, usually besides a rib.

Mine: August - October

Notes: The initial gallery has clear margins, with broken linear frass. The later mine is a blotch formed by many turns. The cocoon is shown. (det Erik van Nieukerken).

Data: 30.ix.2023 ex mine 27.ix.2023, Farley, South Wiltshire, VC8

Image:© Laurence Evans