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

Family Xiphydriidae - Xiphydriid Wood Wasps

Xiphydriid Wood Wasp - Xiphydria maculata Wasp  - Xiphydria maculata sawfly - Xiphydria hymenoptera 2 - Xiphydria maculata Wasp - Xiphydria - male Xiphydriidae, lateral - Xiphydria maculata - female unknown insect - Xiphydria Xiphydria mellipes
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 Xiphydriidae (Xiphydriid Wood Wasps)
Other Common Names
Xiphydriid wood-boring sawflies
9 spp. in a single genus in our area(1), ~90 spp. in 22 genera worldwide(2)
12-20 mm
Similar to horntails but no horn at the tip of the abdomen
The larvae bore in the dead or decaying wood of deciduous trees, particularly small branches(2)
Not considered to be of economic importance as larvae neither attack living branches nor are they known to attack structural wood in homes. They may be seen indoors due to being brought in with firewood.(2)
Works Cited
1.Nomina Insecta Nearctica
Poole, Robert W., Inc.
2.The Xiphydriid Woodwasps of North America (Hymenoptera: Xiphydriidae)
David R. Smith . 1976. Transactions of the American Entomological Society, Vol. 102, No. 2, pp. 101-131 .