Siricoidea
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The superfamily Siricoidea is an archaic group of the order Hymenoptera, consisting of six families of xylophagous sawflies. The group is well represented in early Tertiary and Mesozoic times, but a n
Urocerus gigas 5
Horntail
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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 structur
Siricoidea
…Anaxyelidae (cedar wood wasps) Siricidae (horntails) Xiphydriidae (wood wasps, sometimes treated as a separate superfamily, Xiphydrioidea…
Eriotremex formosanus, F, side, Blount County, Tennessee 2013 02 05 14.27.09 ZS P Max
Sirex noctilio ("Sirex woodwasp") from New Zealand, on Pinus radiata. The spiral groove on the ovipositor is visible.
Giant horntail (Urocerus gigas)
Eourocerus anguliterreus holotype fore-wing (counterpart). Ypresian Klondike Mountain Formation