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稻水象甲(Lissorhoptrus oryzophilusKuschel)属鞘翅目象虫科。成虫、幼虫都为害水稻,成虫食害叶片,幼虫为害稻根。由于根系被破坏,植株停止生长,造成整株死亡。为害严重时水稻减产50%以上,此虫是水稻生产的大敌,为我国重要检疫性害虫。稻水象甲原产于美国东部,在北美洲分布较普遍,1976年传入日本后迅速向外扩散。到1982年在日本的分布范围已扩展到28个府县。1988年南朝鲜有6个道、17个郡发生。1987年此虫传到朝鲜民主主义人民共和国,并以每年几十公里的速度向外扩散。1989年已蔓
Rice water weevil (Lissorhoptrus oryzophilusKuschel) Coleoptera is Division. Adult, larvae are damaging rice, adults eat leaves, larvae damage rice roots. As the root system is destroyed, the plant stops growing, causing the entire plant to die. Severe damage to reduce production of more than 50% of rice, the worm is the enemy of rice production, as an important quarantine pest in China. Asiatic weevil originated in the eastern United States, more commonly distributed in North America, Japan in 1976 after the rapid spread to Japan. The distribution in Japan in 1982 has expanded to 28 prefectures. In 1988 there were six roads in South Korea and 17 in the county. The worm spread to the Democratic People’s Republic of Korea in 1987 and spread outward at dozens of kilometers a year. Has been in 1989