Most easily recorded from mines on Fagus with larva feeding in June and August to October. In a gallery, the central part having frass coiled in arcs; larva whitish yellow (cf. mine of S. tityrella).
|Mine: Either the leaf or a good photograph required |
Recorded in 83 (59%) of 140 10k Squares.
First Recorded in 1887.
Last Recorded in 2019.
(Data up to end 2019)