Food Plant: Betula spp, (Birch)

Egg: Laid by the midrib

Mine: late spring

Notes: The full depth gallery starts by the midrib and distorts the leaf as it forms. The leaf edge becomes brown (as shown). Widespread in the UK.

Data: 09.vi.2013, Girley Bog, Co. Meath,H22, Ireland.

Image:© Eamonn O'Donnell