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 waekly thickened and spindle shaped and each shoot contains only one larva.
Size: Female: 2.6 - 4.4mm, male: approx. 2.9 - 4.9mm
Flight period: Univoltine
Plant associations: Salix purpurea and Salix purpuea x viminalis (purple willow and its hybrid with osier)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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