Macrodiplosis pustularis
The larvae of the gall midge Macrodiplosis pustularis cause galls on the leaves of Oak (Quercus) species. This takes the form of a downward roll, or fold and usually affects the leaf lobe at the tip of the vein. Green at first, with pale yellow spots, later brown and contains one larva.
Macrodiplosis roboris forms narrow upward rolls between leaf-lobes
Gall 
Adult 
On Oak (Quercus) species.
June and July.
Widespread in areas of Britain where the host trees occur.
Status in Leicestershire and Rutland not known.
sue
Bagworth Beacon
19 June 2020
galls on oak leaves
sue
Ratby Burroughs
17 May 2024
Graham Calow
Sharnford, Fosse Meadows
10 July 2024
gall on Oak
sue
Donisthorpe Woodland park
02 June 2022
sue
Thornton Meadows
31 May 2020
sue
Donisthorpe Woodland park
02 June 2022
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Species profile
- Species group:
- insect - true fly (Diptera)
- Kingdom:
- Animalia
- Order:
- Diptera
- Family:
- Cecidomyiidae
- Records on NatureSpot:
- 45
- First record:
- 07/07/2016 (Grimes, Martin)
- Last record:
- 04/06/2025 (Higgott, Mike)
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sue
Thornton Meadows
02 June 2018
galls on oak leaf
sue
Thornton Meadows
02 June 2018
