Status
Damp meadows, fens, marshes, sea-cliffs and woodland rides where foodplant found.
The two main food plants produce slight differences in the larval habits and flight times of the adults.
Leaf-mine: August to September, then May to June when on Ploughman’s Spikenard. July to August, then April to May when on Hemp-agrimony.  | Determination by Genitalia Examination Required | |
| Case: A good quality photo or specimen of the case and plant/pabulum is required. | |
Recorded in 30 (41%) of 74 10k Squares.
First Recorded in 1874.
Last Recorded in 2023. |