The larvae of the fly Agromyza dipsaci mine the leaves of Wild Teasel. It produces a long mine, which rapidly broadens, at the leaf edge. The mine turns brown.
Where Wild Teasel occurs.
When Wild Teasel is in leaf.
True status in Britain is difficult to determine due to lack of records but it is thought to be rather infrequent.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015