Euura weiffenbachiella
Euura weiffenbachiella is a species of sawfly belonging to the family Tenthredinidae (common sawflies). The larvae forms galls on creeping willows (Salix repens). E. weiffenbachiella is one of a number of closely related species which is known as the Euura atra subgroup.
| Euura weiffenbachiella | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Suborder: | Symphyta |
| Family: | Tenthredinidae |
| Genus: | Euura |
| Species: | E. weiffenbachiella |
| Binomial name | |
| Euura weiffenbachiella Liston & Vikberg, 2017 | |
| Synonyms[1] | |
|
E. weiffenbachii | |
Description
The shape of the gall is variable, probably depending on where the egg is laid;[2]
- it can develop on one side of the shoot, causing it to bend and look similar to a miniature gall of E. amerinae, or
- it can be spindle-shaped with the shoot remaining straight measuring 10 millimetres (0.39 in) to 15 millimetres (0.59 in) long by approximately 5 millimetres (0.20 in) wide.
Found on creeping willow (S. repens) and S. rosmarinifolia.[2]
Other similar looking species in the Euura atra subgroup are,[2]
- E. atra found on white willow (Salix alba) and crack willow (S. fragilis).
- E. auritae found on eared willow (S. aurita)
- E. myrtilloides found on swamp willow (Salix myrtilloides)
- E. salicispurpureae found on purple willow (S. purpurea)
Distribution
Liston et al. records the sawfly from central and northern Europe, and east to Yakutia.[2] Redfern et al. records the gall from Great Britain (Scotland) and Ireland.[3]
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References
- Ellis, W N. "Euura weiffenbachiella Liston & Vikberg, 2017". Plant Parasites of Europe. Retrieved 9 December 2017.
- Liston, Andrew D; Heibo, Erik; Prous, Marko; Vardal, Hege; Nyman, Tommi; Vikberg, Veli (2017). "North European gall-inducing Euura sawflies (Hymenoptera, Tenthredinidae, Nematinae)". Zootaxa. Magnolia Press. 4302 (1): 60. doi:10.11646/zootaxa.4302.1.1. ISSN 1175-5334.
- Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 282–299. ISBN 978-185153-284-1.
External links
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