6 to7 mm. An orange fly with black patterning on the wings. The larvae mine the leaves of Colt’s-foot and Butterbur making upper surface blotches. When two or more larvae mine the same leaf the affected area can be quite large.
Areas where Colt’s-foot or Butterbur occur.
The mines may be encountered in early autumn.
Widespread in Britain.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
Enter a town or village to see local records
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015