ood Plant: Fraxinus excelsior (Ash)

Mine: September-November

Pupa: The larva pupates externally - it may also pupate internally (Warrington (pers.comm)

Notes: Local in Britain, widespread and local in Europe. The mine is an upper surface linear mine, becoming a blotch, with two rows of frass at the start of the mine. The mine turns black as it ages (as shown).

Data: 28.x.2013, Bocking, Braintree Essex, VC19

Image:© Stephen Rolls