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animal
>
Sugarcane root Saw long-horned beetle
【害虫名称】
蔗根锯天牛
【目 名】鞘翅目
【科 名】天牛科cerambycidae
【寄主植物】油棕、椰子、木薯、甘蔗、柑桔、厚皮树等。
【为害症状】幼虫在土中为害根部以及埋在土中的幼茎,被害后植株生长衰弱,表现出叶片枯黄,严重时可至死亡。
【防治方法】①农业防治。开垦土地时将树头清除干净;成虫出土盛期,晚上点灯诱杀。②化学防治。发现幼虫为害时,用75%辛硫磷1000倍液灌淋根系,毒杀幼虫。