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

Family Xiphydriidae - Xiphydriid Wood Wasps

Xiphydriid Wood Wasp - Xiphydria maculata Xiphydriid Emergence - Xiphydria maculata - female Xiphydria maculata - female Xiphydria tibialis Insect - Xiphydria maculata Xiphydria maculata (?) - Xiphydria maculata - female Cratichneumon? - Xiphydria Xiphydriidae? - Xiphydria mellipes - 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 Xiphydriidae (Xiphydriid Wood Wasps)
9 spp. in a single genus in our area(1), ~80 spp. in 17 genera worldwide
12-20 mm
Mesonotum divided by nearly straight, transverse groove between bases of fore wings, the groove separating from the mesoscutum a triangular area (axilla) on either side of scutellum. Antennae inserted above above level of ventral margin of eye. Head without a crown of teeth. Abdominal tergum 1 divided medially. Abdominal terga angled outwardly.
similar to horntails but no horn at the tip of the abdomen
The larvae bore in the dead or decaying wood of deciduous trees