Food Plant: Betula (Birch)

Egg: Underside of leaf

Mine: August - November

Notes: Mine much contorted at the start, sides of mine scalloped, scallops are usually free of frass (compare with S.betulicola where the sides of the mine are usually parallel). The larva is yellow, gut-line green (as shown).

Data: 27.x.2021, Dowmham Market, Norfolk, VC28

Image:© Rob Edmunds