minute insect that feeds on plant juices; related to scale insects
双语例句
1. ladybird larvae are among the biggest friends we gardeners have. They're ferocious predators on problem whitefly and red spider mite.
幼瓢虫就是园丁们最大的朋友之一，它们是凶猛的食肉动物，专门对付白粉虱和红蜘蛛螨。
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2. Geminiviruses may have favourable or unfavourable effects on the development, survival and reproduction of the whitefly.
双生病毒可对烟粉虱的发育、存活和生殖产生不利或有利的影响。
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3. In this paper, the origin and distributing of silverleaf whitefly, the symptom of harm and the control was also discussed.
就烟粉虱的起源与分布、为害症状及如何防治等进行了综述。
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4. Our results indicated that L925I mutation was tightly associated with pyrethroid resistance in the tobacco whitefly from Nanjing.
该结果表明了烟粉虱钠离子通道L925I突变与对拟除虫菊酯抗性密切相关。
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5. Whitefly transmission experiments showed that PaLCuCNV could be transmitted by Bemisia tabaci, but the efficiency was very low(8.33%).
番木瓜曲叶病毒病可以通过烟粉虱传染，但是，室内人工传染效率很低，仅为8.33%；
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6. The result showed that 83.1% of whitefly nymphs were present on top and middle leaves and there was no marked difference between middle and top leaves;
7. Sticky traps for trapping and killing to have good result to the small insects, such as aphids, whitefly, Leafhopper, vegetable leaf miner, thrips, etc.
粘虫胶诱杀技术对于小型昆虫如蚜虫、粉虱、叶蝉、斑潜蝇、蓟马等有着良好的效果。
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8. In order to control the emergence, and reduce danger, biological behaviour and control measurement to the greenhouse whitefly are discussed in this paper.
9. These eggs turn into ladybird larvae, which are among the biggest friends we gardeners have. They're ferocious predators on problem whitefly and red spider mite.
这些卵变成幼瓢虫之后就是园丁们最好的朋友之一了，它们是凶猛的食肉动物，尤其针对粉虱与红蜘蛛。
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10. Application: it is a systemic insecticide, with both contact and stomach action against sucking mouthparts pests such as plant hoppers, aphids, leafhoppers, thrips whitefly, ect.
11. The selection tests on 10 domestic or overseas cucumber strains demonstrated that the tobacco whitefly showed different feeding and egg-laying behaviors to different cucumber strains.
结果表明，烟粉虱成虫取食和产卵对黄瓜品种有一定选择性。
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12. The selection tests on 10 domestic or overseas cucumber strains demonstrated that the tobacco whitefly showed different feeding and egg-laying behaviors to different cucumber strains.
