Rabdophaga nervorum
The larva of the gall midge Rabdophaga nervorum causes galls in the midrib of the leaves of some species of willow. A swelling is present in the midrib, with a pale larva or pupa inside. Adjacent leaf tissue darker and appears thickened; midrib may also be bent.
Photographs of leaf showing position of gall in leaf midrib; evidence of larva or pupa inside gall
Sallows
sue
Nailstone Wiggs SUDS area, by main path
03 August 2024
midrib gall on grey sallow s.l.
sue
Nailstone Wiggs SUDS area, by main path
03 August 2024
mature larva with sternal spatula
sue
Nailstone Wiggs SUDS area, by main path
03 August 2024
sue
Nailstone Wiggs, SUDs area, main path
19 June 2024
very small larva inside
sue
Nailstone Wiggs SUDS area, by main path
03 August 2024
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Species profile
- Species group:
- insect - true fly (Diptera)
- Kingdom:
- Animalia
- Order:
- Diptera
- Family:
- Cecidomyiidae
- Records on NatureSpot:
- 3
- First record:
- 19/06/2024 (Timms, Sue)
- Last record:
- 03/08/2024 (Timms, Sue)
Total records by month
% of records within its species group
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Latest images
Latest records
sue
Nailstone Wiggs, SUDs area, main path
19 June 2024
gall in midrib of grey sallow leaf
sue
Thornton Reservoir
08 July 2024
sue
Nailstone Wiggs, SUDs area, main path
19 June 2024
