Euura venusta is a species of sawfly belonging to the family Tenthredinidae (common sawflies). The larvae feed within the leaf-stalk (or petiole) of willows (Salix species) forming a gall. The sawfly was first described by Carl Gustav Alexander Brischke in 1883.
| Euura venusta | |
|---|---|
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| Gall | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Suborder: | Symphyta |
| Family: | Tenthredinidae |
| Genus: | Euura |
| Species: | E. venusta
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| Binomial name | |
| Euura venusta (Brischke, 1883)
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Description of the gall
editThe gall is formed in the petiole and is 8–10 mm long and 2–4 mm wide at the base. It contains one larva, along with its frass, and can be found on eared willow (S. aurita), goat willow (S. caprea), grey willow (S. cinerea), downy willow (S. lapponum) and S. silesiaca.[1][2]
Euura venusta is one of three closely related species known as the Euura amerinae species subgroup. The other member of the group is E. testaceipes (Brischke, 1883).[3]
Distribution
editThe sawfly has been found in central and northern Europe and the Russian far east, including Armenia, Belgium, Great Britain, Luxembourg, Norway, Russia and Sweden.[1][2]
References
edit- ^ a b Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 282–299. ISBN 978-185153-284-1.
- ^ a b Ellis, W N. "Euura venusta (Brischke, 1883)". Plant Parasites of Europe. Retrieved 3 March 2018.
- ^ Liston, Andrew D; Heibo, Erik; Prous, Marko; Vardal, Hege; Nyman, Tommi; Vikberg, Veli (2017). "North European gall-inducing Euura sawflies (Hymenoptera, Tenthredinidae, Nematinae)". Zootaxa. 4302 (1). Magnolia Press: 56–57. doi:10.11646/zootaxa.4302.1.1. ISSN 1175-5334.
External links
edit- Euura Gallers
Media related to Euura venusta at Wikimedia Commons
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