Pea Gall Sawfly - Euura viminalis
The sawfly Euura viminalis causes galls to form on Purple Willow (Salix purpurea) and Osier (Salix viminalis). The gall in on the leaf underside, with brownish warts, and is not hairy.
Euura bridgmanii forms similar galls on Sallows (Salix caprea, Salix cinerea and Salix aurita)
Gall 
Adult 
The host species must be identified correctly, and a photo of the host plant leaves provided with the gall photo
Anywhere that the host plants Purple Willow and Osier are found.
There are two broods with adults flying May/June and July/August.
The pea shaped gall is formed on the midrib on the underside of the leaf and often reddens.
Occasional in Britain
Uncommon in Leicestershire and Rutland.
 on salix purpurea Marsh along Old Fosse Sapcote SP 4936 9203 (taken 4.10.2009)_gall.JPG)
Graham Calow
Marsh near Old Fosse, Sapcote
04 October 2009
gall on Purple Willow - 1st VC55 record
 on salix purpurea Marsh along Old Fosse Sapcote SP 4936 9203 (taken 4.10.2009)_gall.JPG)
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Species profile
- Species group:
- Sawflies
- Kingdom:
- Animalia
- Order:
- Hymenoptera
- Family:
- Tenthredinidae
- Records on NatureSpot:
- 1
- First record:
- 04/10/2009 (Calow, Graham)
- Last record:
- 04/10/2009 (Calow, Graham)
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