Euura auritae Kopelke, 2000

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.

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)

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