Food Plant: Ulmus (Elm)

Egg: Underside of leaf

Mine: July -September

Notes: A gallery with linear frass, and one or more short frass-free projections from the mine. The larva is dark green in colour dorsally and yellow laterally and ventrally, with irregular and interrupted dark purple/brown paradorsal spots.

Data: 07.ix.2015, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington