Food Plant: Fagus (Beech)

Egg: Either leaf surface

Mine: June, August - early September

Notes: A gallery, with coiled frass in central part. The mine has the egg away from the midrib which distinguishes it from S.tityrella as this has the egg on the underside against mid-rib amongst hairs in angle with vein. The larva is whitish-yellow, head pale brown.

Data: Lancashire

Image:© Ian Kimber