Tremex columba
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Tremex columba, also known as the pigeon tremex or pigeon horntail, is a species of horntail that is native to eastern and western North America.
Horntail wasp or wood wasp
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
Tremex columba
…Tremex columba, also known as the pigeon tremex or pigeon horntail, is a species of horntail that is native to eastern and western North America. The females are larger than the males, with females growing to 25-30mm in length, and males about…
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