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 (as shown) The mine is brown. Mine shown on Alnus glutinosa. An uncommon UKBAP species.

Data: 20.iv.2014, Mol, (Antwerpen), Belgium,

Image:© Carina Van Steenwinkel