Food Plant: Birch (Betula)

Egg: Underside of leaf

Mine: September - October

Notes: A large mine, 15-20mm long, more than six creases, in the lower epidermis. Mine shown is on Betula pendula.  

Data: 24.ix.2005, Thursley Common, Surrey, VC17, John Langmaid, Jim Porter

Image:© Ian Thirlwell