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Wood wasp
Temporal range: Triassic - Recent
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Suborder: Symphyta
Superfamily: Xyeloidea

Xyelidae- xyelid sawflies
Xiphydriidae- wood wasps

The Xyeloidea are a small superfamily within the Symphyta, containing fewer than 200 extant species, but with an extensive fossil record. They are sometimes believed to be the oldest group within the Hymenoptera. Most species occur in the Northern Hemisphere, especially in boreal regions.