Food Plant: Alnus sp. (Alder), Betula sp. (Birch)

Egg: Underside of leaf

Mine: Early Summer

Notes: Initially a gallery is formed which runs towards the leaf edge from a vein. The mine then becomes a blotch and a spherical cocoon develops in this. The mine is brown. The larva is shown in dorsal (top) and ventral (bottom) view. An uncommon UKBAP species.

Data: 06.vi.2018, Downham Market, Norfolk, VC28

Image:© Rob Edmunds