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Neochetina
''Neochetina'' is a genus of weevils known as water hyacinth weevil which are native to South America. ''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 ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Neochetina」の詳細全文を読む
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