Most easily recorded from leaf mines on Betula spp. with larva feeding from August to November. In a gallery mine which is at first highly contorted; larva without ventral dark spots. Occurs in larger bushes and trees than S. betulicola. During autumn often in 'green islands' in fallen leaves.
Mine: Either the leaf or a good photograph required
Recorded in 63 (45%) of 140 10k Squares. First Recorded in 1875. Last Recorded in 2020. (Data up to end 2020) Additional Stats