Euura auritae

Euura auritae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Suborder:	Symphyta
Family:	Tenthredinidae
Genus:	Euura
Species:	E. auritae
Binomial name
	Euura auritae; Kopelke, 2000
Synonyms[1]
	E. cinerae Kopelke, 1996; E. lapponica Kopelke, 1996

Euura auritae is a species of sawfly belonging to the family Tenthredinidae (common sawflies). The larvae forms galls on willows (Salix species). It was first described by Jens-Peter Kopelke in 2000. E. auritae is one of a number of closely related species which is known as the Euura atra subgroup.

Description

The gall is an elongate swelling that tapers into the young shoot. It is 10 millimetres (0.39 in) to 15 millimetres (0.59 in) long by approximately 5 millimetres (0.20 in) wide. The bark around the gall is smooth and contains one larva which has three dorsal annulets on the third abdominal segment, and a suranal plate without pseudocerci.[1][2] Pupation is probably in the gall.[1]

In Britain the gall has been found on eared willow (Salix aurita).[2] Elsewhere it has also been found on grey willow (S. cinerea), downy willow (S. lapponum) and (S. starkeana).[1]

Other similar looking galls in the Euura atra subgroup are,[3]

E. atra found on white willow (S. alba) and crack willow (S. fragilis).
E. salicispurpureae, found on purple willow (S. purpurea)
E. myrtilloides found on swamp willow (Salix myrtilloides)
E. weiffenbachiella, found on creeping willow (S. repens) and S. rosmarinifolia

Distribution

Euura auritae has been recorded in central and northern Europe to Finland, Norway and Sweden. Also Czech Republic, Great Britain and the Netherlands.[1][2][3][4]

References

Ellis, W N. "Euura auritae Kopelke, 2000". Plant Parasites of Europe. Retrieved 14 December 2017.
Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 282–299. ISBN 978-185153-284-1.
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): 59. doi:10.11646/zootaxa.4302.1.1. ISSN 1175-5334.
Beneš, Karel (2014). "Additions to the Czech list of Eurra Newman, 1837 (Hymenoptera, Tenthredinidae)". Acta Musei Moraviae, Scientiae Biologicae (Brno). 99 (1): 69–75. ISSN 1211-8788.

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[wne-1] Ellis, W N. "Euura auritae Kopelke, 2000". Plant Parasites of Europe. Retrieved 14 December 2017.

[pg-2] Redfern, Margaret; Shirley, Peter; Boxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: Field Study Council. pp. 282–299. ISBN 978-185153-284-1.

[liston-3] 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): 59. doi:10.11646/zootaxa.4302.1.1. ISSN 1175-5334.

[4] Beneš, Karel (2014). "Additions to the Czech list of Eurra Newman, 1837 (Hymenoptera, Tenthredinidae)". Acta Musei Moraviae, Scientiae Biologicae (Brno). 99 (1): 69–75. ISSN 1211-8788.