Urocerus albicornis (Fabricius, 1781)

Urocerus albicornis

The female is a black wood wasp with white markings. The antennae are white with black segments basally and apically. White markings also behind the eyes and on the lateral faces of some tergites.

The male is like the female but with pale tergites in the middle of the abdomen.

Urocerus albicornis larvae feed in the timber of various coniferous trees including fir, larch, pine and cedar.

Jump to other Urocerus species

Size: 12 - 40mm

Status: Introduced, not established

Distribution: England, Scotland

Flight period: June to October

Plant associations: Pinaceae (coniferous trees)


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

Schiff, N.M., Goulet, H., Smith, D.R., Boudreault, C., Wilson, A.D. and Scheffler, B.E., 2012. Siricidae (Hymenoptera: Symphyta: Siricoidea) of the western hemisphere. Canadian Journal of Arthropod Identification 21: 1-305, 21, pp.1-305.