The gall midge Harmandiola globuli causes galls on the leaves of Aspen and White Poplar. The galls are raised, rounded, sometimes with a collar-like ring and 2.5 mm across and are dull red or yellowish. They contain larva which are orange when mature.
Where Aspen and White Poplar occur.
When the host species are in leaf.
Not well recorded in Britain but probably fairly frequent.
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