A small yellow - and - black striped beetle ( Leptinotarsa decemlineata ) that is a major agricultural pest.

科罗拉多薯虫:一种小的黄黑色条纹甲虫 ( 马铃薯叶甲马铃薯叶甲属 ),为一种主要农业害虫.

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The Aphis gossypii Glover is one of the main pests of cotton, cucurbits and other crops.

棉蚜是一种重要的农业害虫,能危害棉花 、 瓜类及多种观赏植物,并能传播植物病毒病,给农业生产带来重大损失.

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These parasitical wasps help the farmers a lot. They can control the breeding of agricultural insects.

这种寄生蜂是农民的好帮手, 它可以抑制农业害虫的繁殖.

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Nilaparvata lugens St ? l is an important agricultural insect pest showing resistance to many different insecticides.

褐飞 虱 是一种重要的农业害虫,其对许多杀虫剂都产生了抗药性.

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The anti - insect genetic engineering of plants provides a new way of controlling crop pests.

植物 抗 虫基因工程为防治农业害虫提供了一条崭新途径.

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