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Urocerus
''Urocerus'' is a genus of horntails in the family Siricidae. There are about eight described species in ''Urocerus''. Species These species belong to the genus ''Urocerus'': * '' Urocerus albicornis'' ( Fabricius, 1781) (white horned horntail) * '' Urocerus californicus'' Norton, 1869 * '' Urocerus cressoni'' Norton, 1864 (black and red horntail) * '' Urocerus flavicornis'' Fabricius, 1781 (yellow-horned horntail wasp) * '' Urocerus franzinii'' C.Pesarini & F.Pesarini, 1977 * ''Urocerus gigas'' (Linnaeus, 1758) (giant woodwasp) * '' Urocerus japonicus'' (Smith, 1874) (Japanese horntail) * '' Urocerus sah'' ( Mocsáry, 1881) g Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net References Further reading * * * External links * Siricidae Sawfly genera Taxa named by Étienne Louis Geoffroy {{Sawfly-stub ...
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Urocerus Gigas
''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. Adults are usually between in length. Subspecies: *''Urocerus gigas gigas'' *''Urocerus gigas taiganus'' ''Urocerus gigas'' is a wood-boring insect that attacks softwoods of freshly felled logs/unhealthy trees. The species lives in discrete tunnels, frequently filled with hard-packed coarse fibrous frass, hard to dig out from tunnels. The tunnels are large, round and discrete, between in diameter. Both sexes have a chitinous spike emerging from the abdomen, derived from the last segment, which is found in all Horntail, woodwasps. However, unlike in true Wasp, wasps, the projection is harmless and cannot sting. The second, longer and lower projection in females only is the ovipositor. The ovipositor ha ...
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Urocerus Albicornis
''Urocerus albicornis'' (white-horned horntail) is a species of horntail native to North America. This species has occasionally been introduced into Europe and Japan. It lives near conifer Conifers () are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a sin ... trees. It is black, with whiteish antennae, spots on either side of the head, and two bands on each leg. References Siricidae {{Sawfly-stub ...
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Urocerus Flavicornis
''Urocerus flavicornis'', the yellow-horned horntail wasp, is a species of horntail native to North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri .... References Siricidae {{Sawfly-stub ...
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Urocerus Japonicus
''Urocerus japonicus'', commonly known as the Japanese horntail, is a species of sawfly, native to southeastern Asia. Studies show that the dispersal distance of the female is higher than the male. The fungal species '' Amylostereum laevigatum'' had its first appearance in Japan via this sawfly. Ecology This horntail lays its eggs in the trunk or branches of the Japanese cedar (''Cryptomeria japonica'') or the Japanese cypress (''Chamaecyparis obtusa'') and the larvae feed on the sapwood. When ovipositing, the horntail introduces a symbiont fungus which either provides essential nutrients for the larvae, or which produces enzymes which help decompose the lignin or cellulose Cellulose is an organic compound with the chemical formula, formula , a polysaccharide consisting of a linear chain of several hundred to many thousands of glycosidic bond, β(1→4) linked glucose, D-glucose units. Cellulose is an important s ... in the wood. The staining produced by the fungus reduces ...
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Sawfly Genera
Sawflies are wasp-like insects that are in the suborder Symphyta within the order Hymenoptera, alongside ants, bees, and wasps. The common name comes from the saw-like appearance of the ovipositor, which the females use to cut into the plants where they lay their eggs. The name is associated especially with the Tenthredinoidea, by far the largest superfamily in the suborder, with about 7,000 known species; in the entire suborder, there are 8,000 described species in more than 800 genera. Symphyta is paraphyletic, consisting of several basal groups within the order Hymenoptera, each one rooted inside the previous group, ending with the Apocrita which are not sawflies. The primary distinction between sawflies and the Apocrita – the ants, bees, and wasps – is that the adults lack a "wasp waist", and instead have a broad connection between the abdomen and the thorax. Some sawflies are Batesian mimics of wasps and bees, and the ovipositor can be mistaken for a stinger. Sawfl ...
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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 reach up to long. The pigeon horntail (''Tremex columba'') can grow up to long (not counting the ovipositor), among the longest of all Hymenoptera. This family was formerly believed to be the sole living representative of the superfamily Siricoidea, a group well represented in Paleogene and Mesozoic times, but the family Anaxyelidae has been linked to this group as well. Siricidae has ...
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Horntail
Horntails or wood wasps are any of the 150 non-social species of the hymenopteran family Siricidae, a type of xylophagous, 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 Batesian mimicry, mimicry. A typical adult horntail is brown, blue, or black with yellow or red parts, and may often reach up to long. The Tremex columba, pigeon horntail (''Tremex columba'') can grow up to long (not counting the ovipositor), among the longest of all Hymenoptera. This family was formerly believed to be the sole living representative of the superfamily Siricoidea, a group well represented in Paleogene and Mesozoic times, but the family Anaxyelidae has been ...
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