A widespread species in woodland. The adult flies by day in sunshine and comes to light. More easily found at the larval stage as a leaf-miner on birch. Larvae are dark grey in colour so easily separated from others of this family.

Verification Grade Comment: Mine: Reared or larval morphology

	Determination by Genitalia Examination (gen. det.) Required

	Mine: Either the leaf or a good photograph required

Recorded in 24 (17%) of 140 10k Squares.
First Recorded in 1982.
Last Recorded in 2022.