Egg: Upperside of leaf
Mine: January - April; July
Notes: A long thin mine is formed by the larva. The early mine is shown here. The larva can swap mines or leaves. A moulting cocoonet (as shown) is formed under a leaf and the cocoon is formed on the stem or another plant.
Image:© Ben Smart
Data: iii.2005, St.Helens, Lancs, VC59