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The Canadian government and some American experts say no direct link has been found between sea lice and salmon deaths.

加拿大政府和一些美国专家认为，目前还没发现海水鱼虱与大麻哈鱼的死亡有着什么直接关联。

The Canadian government and some American experts say no direct link has been found between sea lines and salmon death s .

加拿大政府和一些美国专家说未发现在海水鱼虱和三文鱼死亡之间存在直接的联系。

The distribution of whitefly nymph on the plants of 223 summer soybean varieties was in vestigaled.

对烟粉虱若虫在223份不同结荚习性大豆品种植株上的分布进行了调查研究。

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。

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。

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 morphology and internal-structure of the compound eye of Aleurodicus dispersus Russell were observed with scanning electron microscope and histological methods.

采用扫描电镜和组织切片法，观察了螺旋粉虱Aleurodicus dispersus Russell成虫复眼的形态及其显微结构。

Hatching Its babel of sea-lice, sandfly, and maggot

乱糟糟的海虱、白蛉和蛆

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。