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For Insects, Spiders & Their Kin
For the United States & Canada
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Family Ibaliidae - Ibaliid Wasps

Unknown Wasp - Ibalia anceps Wasp - Ibalia anceps - male Ibalia anceps - female Ibalia anceps - female Ibalia anceps - female Wasp - Ibalia anceps Hymenoptera: Parasitica - Ibalia leucospoides Flat abdomen - Ibalia leucospoides - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Cynipoidea
Family Ibaliidae (Ibaliid Wasps)
a single genus with 6 spp. in our area(1), 19 spp. in 3 genera worldwide(2)(3)
body 8-16 mm(1)
abdomen laterally compressed, knifelike(1)
mainly Northern Hemisphere(2)
Larvae are parasitoids of larval Siricidae(2) (early instars are internal feeders, later instars emerge from the host and eat the remainder of the host's body from the outside)
See Also
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Phylogeny and historical biogeography of the cynipoid wasp family Ibaliidae (Hymenoptera)
G. Nordlander, Z. Liu, F. Ronquist. 1996. Systematic Entomology 21: 151–166.
3.Review of the family Ibaliidae (Hymenoptera: Cynipoidea) with keys to genera and species of the world
Liu Z., Nordlander G. 1994. Entomologica Scandinavica 25: 377-392.