Food Plant: Alnus glutinosa (Alder)

Egg: Upper side of leaf

Mine: May, July

Pupa: Under a silk membrane on underside of leaf

Notes: Initially in an irregular gallery becoming a blotch usually over a vein (as shown). Later in two successive longitudinally rolled leaves.

Data: 14,x.2003, Fleet, Hants, VC12

Image:© Rob Edmunds