Euura triandrae
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 | |
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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
The 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
This species has been found in Great Britain (England), the Netherlands, Norway and Sweden.[1][2][4]
References
- Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 282–299. ISBN 978-185153-284-1.
- 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.