Distinctive but variable species.
Abundant among privet and lilac everywhere, can be a pest in gardens.
Leaf-mine: June, August-September.
Contorted blotch with black frass, then two successive cones formed by folding the tip of a leaf downwards.
Recorded in 58 (84%) of 69 10k Squares.
First Recorded in 1886.
Last Recorded in 2019.