Euura collactanea

Euura collactanea
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Hexapoda
Class:	Insecta
Order:	Hymenoptera
Family:	Tenthredinidae
Genus:	Euura
Species:	E. collactanea
Binomial name
	Euura collactanea; (Förster, 1854)
Synonyms
	Nematus collactaneus Förster, 1854 ; Pontania collactanea Konow (1901) ; Pontania (Pontania) collactanea Viitasaari & Vikberg (1985) ; Nematus (Pontania) collactanea Zhelochovtsev (1988) ; Eupontania collactanea Vikberg & Zinovjev (2006); Euura (Eupontania) collactanea Noblecourt (2016); Nematus deficiens Förster, 1854; Nematus crassipes var. vacciniellus Cameron 1876; Nematus xanthostylos Zaddach 1884; Pontania viminalis var. lugubris Enslin 1918; Pontania collactanea relicta Weiffenbach, 1962; Eupontania collactanea rosmarinifoliae Vikberg & Zinovjev, 2006; Nematus helicinus Thomson (1871)[1];

Euura collactanea is a species of sawfly belonging to the family Tenthredinidae (common sawflies). The larva feed within galls on the leaves of willows (Salix species). It was first described Arnold Förster in 1854.

Description of the gall

The gall is found on the underside of a leaf of the host plant. It is globular and up to 5 mm in diameter. Descriptions vary according to the source. According to the Plant Parasites of Europe website, the gall can be hairy and sometimes warty. The colour varies from bright red to a red-tinged green. Redfern et al (2011) describe the gall as having brown warts and either none or slightly hairy. The galls can be found on the leaves of creeping willow (Salix repens).^[2]^[3]

Distribution

The gall is found from the Great Britain and Ireland (locally common) in the west, north to Sweden and east to Lake Ladoga, Russia.^[1]^[3]

References

1 2 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): 96. ISSN 1175-5334.
↑ Ellis, W N. "Euura collactanea (Förster, 1854)". Plant Parasites of Europe. Retrieved 23 September 2018.
1 2 Redfern, Margaret; Shirley, Peter; Bloxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: FSC Publications. pp. 282–299. ISBN 978 1 85153 284 1.

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[″Liston″-1] 1 2 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): 96. ISSN 1175-5334.

[wne-2] Ellis, W N. "Euura collactanea (Förster, 1854)". Plant Parasites of Europe. Retrieved 23 September 2018.

[pg-3] 1 2 Redfern, Margaret; Shirley, Peter; Bloxham, Michael (2011). British Plant Galls (Second ed.). Shrewsbury: FSC Publications. pp. 282–299. ISBN 978 1 85153 284 1.