Siricidae

Horntails or wood wasps are any of the 150 non-social species of the hymenopteran family Siricidae, a type of wood-eating sawfly. The common name "horntail" derives from the stout, spine-like structure at the end of the adult's abdomen which is present in both sexes. The ovipositor in females is typically longer and also projects posteriorly, but it is not the source of the name. Though they are not wasps, they are sometimes called wood wasps as the appearance of some species resembles one due to mimicry. A typical adult horntail is brown, blue, or black with yellow or red parts, and may often

species of insect

species of insect

species of insect

Sirex is a genus of sawfly in the family Siricidae, the horntails or wood wasps. Their bodies are black with a dark blue or green metallic reflection with some species having reddish-brown portions.

species of insect

species of insect

species of insect

species of insect

Xeris is a genus of horntails found in North America and Eurasia. Achille Costa circumscribed the genus in 1894.

thumb|Urocerus gigas Urocerus is a genus of horntails in the family Siricidae. There are about eight described species in Urocerus.