Food Plant: Food Plant: Ulmus (Elm), Betula (Birch), Alnus (Alder), Corylus (Hazel) and others

Mine: late September to late October, then April to early June.

Notes: First case formed of a leaf fragment, larva mining leaves. New case formed after feeding restarts in spring (as shown). Case is on Birch.

Data: 2003

Image:© Andy Musgrove