An almost entirely black species with pale on the labrum, cerci and on the legs the tibiae and tarsi. The tarsi are pale. This is a species of the arctic-alpine zone. Males are probably undistinguishable from Euura reticulata.
Euura nubium larvae are undescribed but presumably associated with a montane plant.
Size: 4.0 - 5.0mm.
Flight period: June
Plant associations: Unknown
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, 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
Prous, M., Liston, A., Kramp, K., Savina, H., Vårdal, H. and Taeger, A., 2019. The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae). ZooKeys, 875, p.63-127