Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Genus Sirex

Sirex Horntail - Sirex cyaneus - male Blue Horntail - Sirex cyaneus - female Horntail - Sirex What is this? - Sirex nigricornis - female Female Sirex nigricornis (Pale form) - Sirex nigricornis - female Black braconid with red legs - Sirex - female Some kind of Hymenoptera - Sirex areolatus Sirex cyaneus - female
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
13 spp. in our area (of which one adventive), 28 spp. total(1)
Holarctic; in our area, mostly western(1)
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.