The larvae of the fly Aulagromyza tremulae mine the leaves of Aspen (and possibly Black Poplar). The mine is a long winding lower surface gallery.
Where aspen occurs.
The mines may be seen in early summer and again in early autumn.
Probably widespread in Britain, but poorly recorded and possibly rather uncommon.
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