Norfolk 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 (gen. det.) Required
Case: A good quality photo or specimen of the case and plant/pabulum is required.
Recorded in 29 (39%) of 74 10k Squares. First Recorded in 1874. Last Recorded in 2021. Additional Stats
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 Bawdeswell, Norfolk 5-8-11, Slide 13010 J Clifton.jpg)
