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The important pest- tobacco whitefly was found in cotton field in Xin Jiang.

危害棉花的重要 www.8ttt8.com 害虫烟粉虱在新疆发现。

The five small arthropod were still very serious pest, especially aphid, scale and whitefly.

其中，五小害虫的危害仍然非常严重，尤其是蚜虫、蚧壳虫和粉虱。

Analysis of the genomic DNA sequences of a single whitefly showed that BtGluCla1 and dBtGluCla1 may be encoded by different genes.

单头烟粉虱成虫BtGluCla1基因组DNA序列分析表明，BtGluCla1和dBtGluCla1由不同的基因编码，由此推测抗性和敏感品系dBtGluCla1出现频率的差异可能是这两个基因相对表达量的不同而造成的。

The research may help find ways to control whitefly population, something which China's farmers will greatly appreciate, particularly growers of tomatoes, a favorite of the pest.

此项研究有助于寻找控制粉虱种群数量的途径，中国的农业劳动者，特别是最受害最严重的西红柿种植业者将对此非常期待。

In this case,with selection and non-selection experiments,we studied and evaluated the effect of light,physical features of leaves and gravitation as cues on the whitefly s orientation behavior to locate underside of host leaves.

以扶桑和油麦菜为寄主材料，通过非选择性和选择性实验，研究和评价光照、叶面物理性状和重力3个环境因子在烟粉虱成虫定向行为中的作用。

The spiralling whitefly, Aleurodicus dispersus Russell, is a newly discovered invasive pest in Hainan Province of China.

中文摘要：螺旋粉虱 Aleurodicus dispersus Russell是新入侵中国海南的危险性害虫。

Dr. Shu-Sheng Liu of Zhejiang University and colleagues have discovered what might be behind the extraordinary success of a certain population of whitefly, one of the worlds move invasive pests.

浙江大学刘树生博士及其研究伙伴发现了可能导致一种最具入侵性的昆虫之一——粉虱成功繁衍的因素。

The results indicated that the effects of all insecticides on control spiraling whitefly was significantly different. Acetamiprid, methomyl and beta-cypermethrin were more effective against the pest.

结果表明，不同药剂对不同虫态的螺旋粉虱的防效存在显著差异，而啶虫脒、灭多威和高效氯氰菊酯对成虫和若虫均有理想防效。

Delphastus cataline, originating from North America, is an important predator as biological control agent for the whitefly pests.

小黑瓢虫原产于北美洲，是控制粉虱类害虫的优势种天敌。

The results indicated that whitefly populations were able to improve the host performance dramatically since continuously feeding on particular host species, but the improving process was different among the host plants.

结果显示，烟粉虱种群能够随着取食经验的积累而快速提高寄主适应性水平，但是不同寄主之间存在很大的差异性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。