Food Plant: Alnus spp. (Alder)

Egg: Underside of leaf

Mine: Summer, early autumn

Notes: The mine starts by the midrib abd runs towards the leaf edge. The frass is in a narrow central line. The leaf may tear along the course of the mine. The larva in the mine is shown.

Data: 03.viii.2013, Kingfisher Bridge, Cambs, VC29

Image:© Ian Barton