Neochetina
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Neochetina
''Neochetina'' is a genus of weevils known as water hyacinth weevil which are native to South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe .... ''Neochetina'' feed almost exclusively on the highly vigorous water hyacinth ('' Eichhornia'' spp.). There are at least two species: '' N. eichhorniae'' or ''mottled water hyacinth weevil'' which gets its name from the plant it feeds on and '' N. bruchi'' or ''chevroned water hyacinth weevil'' which is characterized by a chevron–shaped marking on its back. Both weevils have been introduced extensively in countries around the world to help control water hyacinth growth which threatens to choke numerous waterways and lakes worldwide. References External links University of Florida's Biological Control Of Invasive Plants ...
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Neochetina Eichhorniae
The mottled water hyacinth weevil, ''Neochetina eichhorniae'', is a beetle that has been introduced as a biological pest control herbivore agent to waterways and lakes in countries worldwide to control the spread of the invasive noxious weed species ''Eichhornia crassipes'', the water hyacinth, an aquatic plant native to the Amazon basin. Description ''Neochetina eichhorniae'' is native to Argentina and neighboring areas of South America. It is primarily a brownish-gray with characteristic brown mottling. It measures approximately 3.5 mm in length, excluding the head and antennae. The weevil's life cycle is approximately three to four months, depending on environmental factors. Biological plant pest control ''Neochetina eichhorniae'' was first introduced, as an herbivore agent for the biological control of water hyacinths, to Florida in the United States in 1972. Due to its successful reduction and control of the plant in the Everglades and other natural water systems ...
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Neochetina Bruchi
''Neochetina bruchi'', the chevroned water hyacinth weevil, is a species of marsh weevil in the beetle family Brachyceridae found in South America. It has been introduced into North America as biocontrol of the invasive plant ''Eichhornia crassipes ''Pontederia crassipes'' (formerly ''Eichhornia crassipes''), commonly known as common water hyacinth is an aquatic plant native to South America, naturalized throughout the world, and often invasive species, invasive outside its native range ...'' (water hyacinth). References Further reading * * External links * Brachyceridae Articles created by Qbugbot Beetles described in 1926 {{polyphaga-stub ...
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Hustache
Alphonse Hustache (14 April 1872 – 2 March 1949) was a French entomologist.Maldes & Péricart: 1979. Pour un trentenaire rétrospective sur la biographie et l'œuvre entomologique d'Alphonse Hustache, Annales de la Société Entomologique de France, tome 15, pp. 194-208] He was one of the best specialists on Curculionidae. Works He began to write many articles in many journals such as l'Échange, Bulletin de la Société entomologique de France, ''Miscellanea Entomologica'', and many others including north African and South American ones. Books * 1932 - Curculionidae Gallo-Rhénans, 1189 pages, published in 8 parts in the '' Annales de la société entomologique de France'' from 1923 to 1932 * 1924 - Synopsis des Curculionides de Madagascar, 524 pages * 1925 - Tableaux analytiques des Coléoptères de la Faune Franco-Rhénane. Curculionidae Ceuthorrhynchini - 314 pages, as a supplement of ''Miscellanea Entomologica'' from 1920 to 1925. * 1931 - Tableaux analytiques des Coléo ...
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South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southern subregion of a single continent called America. South America is bordered on the west by the Pacific Ocean and on the north and east by the Atlantic Ocean; North America and the Caribbean Sea lie to the northwest. The continent generally includes twelve sovereign states: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, and Venezuela; two dependent territories: the Falkland Islands and South Georgia and the South Sandwich Islands; and one internal territory: French Guiana. In addition, the ABC islands of the Kingdom of the Netherlands, Ascension Island (dependency of Saint Helena, Ascension and Tristan da Cunha, a British Overseas Territory), Bouvet Island ( dependency of Norway), Pa ...
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Eichhornia
''Eichhornia'', commonly called water hyacinths, was a polyphyletic genus of the aquatic flowering plants family Pontederiaceae. Since it was consistently recovered in three independent lineages, it has been sunk into ''Pontederia'', together with '' Monochoria''. Each of the three lineages is currently recognized as subgenera in ''Pontederia'': * ''Pontederia'' subg. ''Cabanisia'', which includes '' P. meyeri'', '' P. paniculata'' (the Brazilian water hyacinth), and '' P. paradoxa'' * ''Pontederia'' subg. ''Oshunae'', which includes the common water hyacinth, '' P. crassipes'' * ''Pontederia'' subg. ''Eichhornia'', which includes '' P. azurea'', '' P. diversifolia'', '' P. heterosperma'', and '' P. natans'' ''Pontederia'' subg. ''Eichhornia'' is pantropical, centered in South America but with '' P. natans'' being endemic to continental Africa and Madagascar. The other three species are restricted to the Neotropics. It was named in honour of , an early-19th-century Prussian min ...
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Brachycerinae
Brachycerinae is a weevil subfamily in the family Brachyceridae. Tribes Tribus group "Brachycerinae": * Brachycerini - Brotheusini - Byrsopini - Protomantini Tribus group "Erirhininae": * Arthrostenini - Erirhinini - Himasthlophallini - Stenopelmini - Tanysphyrini - † Palaeoerirhinini Tribus group "Ocladiinae": * Desmidophorini ''Desmidophorus'' is a genus of weevils in the family Brachyceridae. Species The genus includes the following species: * '' Desmidophorus aeneobarbus'' * '' Desmidophorus aequalis'' * '' Desmidophorus alboniger'' * '' Desmidophorus anxius'' * ... - Ocladiini Tribus group "Raymondionyminae": * Myrtonymini - Raymondionymini Tribus group "Tadiinae": * Aonychusini - Tadiini References * Billberg, G.J. 1820: Enumeratio Insectorum in Musaeo Gust. Joh. Billberg. Typis Gadelianis. Stockholm: unn.+ 138 pp.. * Schönherr, C.J. 1825: Continuatio Tabulae synopticae Familiae Curculionidum. Isis von Oken, 1825(5): c. 581-588 * Atlas of ...
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