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

Species Tremex columba - Pigeon Horntail Wasp

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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 Tremecinae
Genus Tremex
Species columba (Pigeon Horntail Wasp)
Other Common Names
Pigeon Tremex
Pigeon Tremex Sawfly
Pigeon Horntail
Explanation of Names
Tremex columba (Linnaeus 1763)
columba (L). 'pigeon/dove'
Adults usually >25 mm, larvae up to ~40 mm

Det. Bill Keim, 2016
widely distributed across US & so. Can. though less common in the west and se. (NS-FL to AB-CA) / n. Mex. - Map (1)(GBIF); very common
diseased, decaying or cut wood
mostly: Jun-Oct (BG data)
hosts: beech, elm, hickory, maple, oak, poplar, apple, pear, sycamore, hackberry(2)
parasitized by Megarhyssa spp. (Ichneumonidae)
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.