Food Plant: Alnus glutinosa (Alder)

Egg: Upper side of leaf

Mine: May-July:August-October

Pupa: Under a silk membrane on underside of leaf

Notes: Initially in an irregular gallery becoming a blotch usually over a vein . Later in two successive longitudinally rolled leaves. The larva is shown.

Data: 30.vi.2019, Stoke Prior, Herefordshire, VC36, Andy & Melissa Banthorpe

Image:© Melissa Banthorpe