Euura auritae - amerinae group
See Liston et al (2017) for determination of adults. The host plants are widespread species.
Euura auritae larvae feed on shoots of eared willow, downy willow and grey willow. This species causes the shoot to be clearly thickened and spindle shaped and each shoot contains only one larva.
Jump to other group amerinae species
Size: Female: 3.3 - 5.5mm, male: approx. 2.6 - 5.2mm
Status: Rare
Distribution: Scotland
Flight period: Univoltine
Plant associations: Salix aurita, Salix lapponum and Salix atrocinerea (eared willow, downy willow and grey willow)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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References:
Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London
Liston, A.D., Heibo, E., Prous, M., Vårdal, H., Nyman, T. and Vikberg, V., 2017. North European gall-inducing Euura sawflies (Hymenoptera, Tenthredinidae, Nematinae). Zootaxa, 4302(1), pp.1-115.
Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168. https://doi.org/10.3897/BDJ.2.e1168