Norfolk status Widespread. Purplish-bronzy wings with a silvery fascia.
Mines were collected on Ostrya carpinifolia (Hop Hornbeam) at Hoveton Hall Gardens in 2012. (S. Wright, 16.11.2012). This was a new host plant in the UK.
Leaf-mine: June - July. Oct - Nov. The larvae create narrow, often angular mines in the leaves of Hazel and less commonly, Hornbeam. Slender angular gallery, sometimes several larvae mining the same leaf.
Verification Grade Comment: Adults must be reared and/or Gen. Det. to confirm.
Determination by Genitalia Examination (gen. det.) Required
Mine: Either the leaf or a good photograph required
Recorded in 53 (77%) of 69 10k Squares. First Recorded in 1874. Last Recorded in 2021. Additional Stats