Food Plant: Betula (Birch)

Mine: July, September - October

Notes: The mine is 10-15mm long, 1-6 creases in lower epidermis.  The pupal cremaster has two thicker, curved outer spines and two thinner inner spines (as shown).

Data: 15.ix.2004, Fleet, Hants,VC12

Image:© Rob Edmunds