Euura triandrae is a species of sawfly belonging to the family Tenthredinidae (common sawflies). The larvae feed on the leaves of almond willow (Salix triandra) and was first described in 1941.
| Euura triandrae | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Suborder: | Symphyta |
| Family: | Tenthredinidae |
| Genus: | Euura |
| Species: | E. triandrae
|
| Binomial name | |
| Euura triandrae (Benson, 1941)
| |
| Synonyms | |
|
Pontania triandrae Benson | |
Description of the gall
editThe gall is an ovoid, bean-shaped gall, up to 8 mm x 4 mm in size, with a hard thick red wall when occupied. There are often two galls to a leaf, on either side of the midrib, and they are almost equally prominent on the both sides of a leaf. Galls of E. triandrae are found on almond willow (S. triandra). There are usually two broods in a year (i.e. bivoltine.[1]
Euura triandrae is one of three closely related species in the Euura proxima group. The others members of the group are,
- E. bridgmanii (Cameron, 1883)
- E. proxima (Serville, 1823)[3]
Distribution
editThis species has been found in Great Britain (England), the Netherlands, Norway and Sweden.[1][2][4]
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 triandrae (Benson, 1941)". Plant Parasites of Europe. Retrieved 8 October 2019.
- ^ 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): 83–85. doi:10.11646/zootaxa.4302.1.1. ISSN 1175-5334.
- ^ "Euura triandrae Benson, 1941". GBIF. Retrieved 12 May 2018.