Euura montana - Mountain Spruce Sawfly

Orange yellow with black on the dorsal surface of the antennae (underside often brownish) and the anterior postocellar area. The female mesonotum has three black stripes, spots on the scutellum and the scutellar attachment, and along the midline of the dorsum of the abdomen. The male is black on the mesonotum, metanotum, more or less the scutellum, usually the mesepimeron and the top of the abdomen. In both sexes there is usually black on the rear coxae, outer side of the rear tibiae and tarsi.

Euura montana larvae feed on spruces including Noway Spruce and sometimes can be destructive.

Size: 5.5 - 6.5mm.

Status: Local

Distribution: England, Scotland, Wales, Ireland

Flight period: May

Plant associations: Picea spp. (spruces) incl. Picea abies (Norway Spruce)


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.

Muche, W.H., 1974. Die Nematinengattungen Pristiphora Latreille, Pachynematus Konow und Nematus Panzer (Hym., Temthredinidae). Deutsche Entomologische Zeitschrift, 21(1/3), pp.1-137.

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