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For Insects, Spiders & Their Kin
For the United States & Canada
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Genus Urocerus

Urocerus - Urocerus cressoni - male Urocerus flavicornis - Giant Woodwasp - Urocerus flavicornis - female Identify please! - Urocerus albicornis - female Wasp - Urocerus flavicornis - female Sirex nigricornis? - Urocerus cressoni Horntail Wasp - Urocerus californicus Bug on cactus in greenhouse  - Urocerus albicornis Siricidae - Urocerus cressoni - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Siricidae (Horntail Wasps)
Subfamily Siricinae
Genus Urocerus
Explanation of Names
Urocerus Geoffroy, 1785
Numbers
6 spp.* in our area (incl. 2 adventive spp.), 33 total(1)
* Species not yet in the guide: U. sah (adventive: QC, NH)
Range
Holarctic, much more diverse in Asia; across NA(1)
Works Cited
1.Siricidae (Hymenoptera: Symphyta: Siricoidea) of the Western Hemisphere
Schiff, N.M., Goulet, H., Smith, D.R., Boudreault, C., Wilson, A.D., and Scheffler, B.E. 2012. Canadian Journal of Arthropod Identification No. 21: 305 pp.