Urocerus augur
Very similar to the common Urocerus gigas, but the yellow behind the eyes is more extensive and the hind tibia black in at least the apical half. In the female the ovipositor is longer being about as long as the forewing.
Larvae feed in the timber of coniferous trees and take 2 to 3 years to mature.
Size: 12 - 40mm
Status: Established in Ireland and possibly Channel Islands
Distribution: England, Scotland, Ireland, Channel Islands
Flight period: June to October
Plant associations: Pinaceae (coniferous trees)
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.