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.
Larvae feed in the timber of coniferous trees especially pines.
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)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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References:
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.