1. International travel, immigration, changes in pest control practices and insecticide resistance may have contributed to a recent resurgence of this blood-sucking insect in developed countries.
国际旅游、移民、虫害防治手段的改变以及杀虫剂不再有效,这都会导致近些年在发达国家这种吸血昆虫的肆虐。

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2. Influence of sublethal insecticides on the behavior of aphid could be one cause of the insecticide-induced resurgence of the pest insects.
亚致死剂量杀虫剂对桃蚜行为学上的影响可能是诱致蚜虫再猖獗的原因之一。

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3. Ecological resurgence is attributed to pesticides weakening natural control systems whereas physiological resurgence refers to pesticide-induced stimulation of pest reproduction or hormesis.
前者的机制主要是药剂削弱了自然控制作用,后者主要是药剂引起害虫的毒物兴奋效应及补偿作用(刺激产卵)。

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4. Ecological resurgence is attributed to pesticides weakening natural control systems whereas physiological resurgence refers to pesticide-induced stimulation of pest reproduction or hormesis.
前者的机制主要是药剂削弱了自然控制作用,后者主要是药剂引起害虫的毒物兴奋效应及补偿作用(刺激产卵)。

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