Euura salicispurpureae Kopelke, 2014

Euura salicispurpureae - amerinae group (formerly Euura purpureae Kopelke,1996)

See Liston et al (2017) for determination of adults. The host plants are widespread species.

Euura salicispurpureae larvae feed on shoots of purple willow and its hybrid with osier. This species causes the shoot to be weakly thickened and spindle shaped and each shoot contains only one larva.

Size: Female: 2.6 - 4.4mm, male: approx. 2.9 - 4.9mm

Status: Rare

Distribution: Scotland

Flight period: Univoltine

Plant associations: Salix purpurea and Salix purpurea x viminalis (purple willow and its hybrid with osier)

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