Food Plant: Acer campestre (Field Maple), Acer platanoides (Norway Maple), Acer cappadocicum (Cappadocian Maple)

Egg: Underside of leaf

Mine: end of June-early July, August-early September

Notes: A gallery filled with green frass. The larva is green. In the older gallery the frass turns brown. The mine shown on Acer cappadocicum (Cappadocian Maple) is the first record on this host in the UK.

Data: 20.x.2020, Hoveton Hall, East Norfolk, VC27

Image:© Stewart Wright