Food Plant: Food Plant: Acer campestre (Field Maple), Acer platanoides (Norway 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 (as shown in the upper mine)

Data: 30.x.2003, East Ham, London, VC18

Image:© Colin Plant