Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

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


Family Orussidae - Parasitic Wood Wasps

Wood Wasp - Orussus occidentalis - male Small Sawfly? - Orussus occidentalis - male Wood Wasp - Orussus occidentalis Orussus minutus - female Unknown Hymenoptera - Orussus minutus Orussus minutus - male Parasitic Wood Wasp - Orussus minutus Parasitic Wood Wasp - Orussus minutus
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 Orussidae (Parasitic Wood Wasps)
7 spp. in 3 genera in our area(1), 85 spp. worldwide(2)
8-14.5 mm(1)
Front wing with a single submarginal cell; antennae inserted below the eyes, just above the mouth(3)
Larvae are ectoparasitoids of xylobiontic insect larvae, primarily of Buprestidae, but also of Cerambycidae, Xiphydriidae & Siricidae(2)
relatively rare
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Discovery of new species confirms Oriental origin of Orussus Latreille (Hymenoptera: Orussidae)
Vilhelmsen L., Blank S.M., Liu Z., Smith D.R. 2014. Insect systematics & evolution 45: 51–91.
3.A Field Guide to Insects
Richard E. White, Donald J. Borror, Roger Tory Peterson. 1998. Houghton Mifflin Co.