Harmandiola globuli
The gall midge Harmandiola globuli causes galls on the leaves of Aspen and White Poplar. The galls are raised, rounded, with thin walls, and sometimes with a collar-like ring. They 2.5 mm across and are dull red or yellowish. They contain larva which are orange when mature.
Several other Harmandiola species cause spherical galls on Aspen
Gall 
Adult 
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.
Graham Calow
Fosse Meadows, Sharnford
17 October 2018
galls on Aspen
Graham Calow
Fosse Meadows, Sharnford
17 October 2018
galls on Aspen
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Species group:
- Craneflies, Gnats & Midges
- Kingdom:
- Animalia
- Order:
- Diptera
- Family:
- Cecidomyiidae
- Records on NatureSpot:
- 5
- First record:
- 07/09/2014 (Clough, Jerry)
- Last record:
- 19/06/2023 (lemmon, roy)
Total records by month
% of records within its species group
10km squares with records
The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.
In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.