Food Plant: Betula (Birch)

Egg: Underside of leaf

Mine: July, September - early November

Notes: The mine is long (usually 3 - 4 cm) and contorted with the mine edges more or less parallel (compare with S.luteella where the edges are scalloped); The larva is yellow, gut-line green, with a small brown spot on the prothorax (as shown). There are often several mines in a leaf. The mines are found frequently on seedlings and small plants.

National Status: Local

Bradley No: 110

Data: 24.ix.2005, Sallachy, VC107

Image:© Duncan Williams