Food Plant: Betula (Birch)

Egg: Underside of leaf

Mine: August - November

Notes: ine 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: Lancashire

Image:© Ian Kimber