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A typical adult horntail is brown, blue, or black with yellow or red parts, and may often reach up to 4 cm (1.6 in) long. The pigeon horntail (Tremex columba) can grow up to 5 cm (2.0 in) long (not counting the ovipositor), among the longest of all Hymenoptera.
Megarhyssa nortoni is a predatory insect. Its larvae are parasitoids of horntail wasp larvae in coniferous trees. The adult female hunts horntail larvae for egg placement. It smells wood-eating fungus, utilized by the horntail larvae to predigest wood pulp, and uses its antennae to detect vibrations made by the horntail larvae.
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. [ 1 ] Appearance and behavior
Sirex is a genus of wasps 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.
Urocerus gigas, the giant woodwasp, banded horntail, or greater horntail, is a species of sawfly native to the Palearctic realm and North Africa but also reside in North America and Kelty since 2004. Though they are not wasps, their appearance resembles one due to mimicry . [ 1 ]
Urocerus albicornis (white-horned horntail) is a species of horntail native to North America. [1] [2] [3] [4] This species has occasionally been introduced into ...
Megarhyssa macrurus, also known as the long-tailed giant ichneumonid wasp [1] or long-tailed giant ichneumon wasp, [2] is a species of large ichneumon wasp. [3] It is a parasitoid, notable for its extremely long ovipositor which it uses to deposit an egg into a tunnel in dead wood bored by its host, the larva of a similarly large species of horntail.
Urocerus cressoni Norton, 1864 g b (black and red horntail) Urocerus flavicornis Fabricius, 1781 g b (yellow-horned horntail wasp) Urocerus franzinii C.Pesarini & F.Pesarini, 1977 g; Urocerus gigas (Linnaeus, 1758) b (giant woodwasp) Urocerus japonicus (Smith, 1874) [4] (Japanese horntail) Urocerus sah (Mocsáry, 1881) g