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TaxonomyBrowse
Info
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Genus Sirex

Sirex Horntail - Sirex - male Blue Horntail - Sirex cyaneus - female European woodwasp (Sirex noctilio) ovipositing on red pine - Sirex - female Black braconid with red legs - Sirex - female Black braconid with red legs - Sirex - female Some kind of Hymenoptera - Sirex areolatus Horntail species? - Sirex Horntail species? - Sirex
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 (Horntails)
Subfamily Siricinae
Genus Sirex
Synonyms and other taxonomic changes
S. californicus (Ashmead) is now treated as separate sp., not a ssp. of S. juvencus, which is a strictly Palaearctic species, frequently intercepted but not established in NA(1)
multiple new junior synonyms of S. nigricornis recently established in(1)
Explanation of Names
Sirex Linnaeus 1761
Numbers
13 spp. in our area (of which one adventive), 28 spp. total(1)
Range
Holarctic; in our area, mostly western(1)
Food
associated with conifers, mostly Pinaceae(2)
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.
2.Guide to the siricid woodwasps of North America
Schiff N.M., Valley S.A., LaBonte J.R., Smith D.R. 2006. USDA Forest Service, Forest Health Technology Enterprise Team, Morgantown, WV. 101 pp.