Urocerus californicus Norton, 1869

Urocerus californicus

A variable species in its native Americas. Generally, the female has an abdomen almost entirely black. The wings are yellow with yellow venation. The male is banded on the abdomen with light reddish-brown on segments 3 to 10.

Urocerus californicus larvae feed in the timber of coniferous trees especially pines.

Jump to other Urocerus species

Size: 12 - 40mm

Status: Not established, introduced

Distribution: Not recorded

Flight period: June to October

Plant associations: Pinaceae esp. Pinus spp. (coniferous trees esp. pines)


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.