Food Plant: Betula spp. (Birch), Corylus avellanae (Hazel), Castanea sativa (Sweet Chestnut)

Egg: On the underside of the leaf

Mine: July-August

Notes: The inital gallery is contorted and then follows a vein, before often turning at right angles. In the free feeding phase the larva window feeds on the leaf. Found in woodland, heaths, moorland and bogs.

Data: 06.ix.2016, Coed Hafod, Denbighshire, VC50, Andy & Melissa Banthorpe

Image:© Melissa Banthorpe