In the late 1960s, when Sri Lanka's flourishing coconut groves were plagued by leaf-mining hispides, a larval parasite imported from Singapore brought the pest under control.
20世纪60年代末期，当斯里兰卡繁荣的椰子果园被潜叶昆虫侵扰时，一种从新加坡引进的寄生幼虫将这种害虫控制住了。
The destiny of the pest in the chestnut is not known before reaching the destination.
栗子中害虫的命运在到达目的地之前是未知的。
Short-term effects include the disturbances directly associated with the action of the pest, which may cause the defoliation, loss of vigor, or death of trees.
短期影响包括与害虫活动直接相关的干扰，可能导致树木落叶、失去活力或死亡。
We must take action in destroying the pest.
我们必须动手消灭害虫。
Meanwhile, lab rearing of the pest was tested.
同时，探索了松实小卷蛾的室内饲养方法。
The main control measure for the pest was proposed.
提出了防治此害虫的主要措施。
The pest must eat too, bwana. yes, l know. lf only they would.
害虫也要吃草的，老板-我知道，它们就要养料。
The destiny of the pest in chestnut is not known before reaching the destination.
栗子中害虫的命运在到达目的地之前是未知的。
Thee destiny of the pest in chestnut is not known before reaching the destination.
栗子中害虫的命运在到达目的地之前是未知的。 。
Breeding resistance varieties is the most economic and effective way to control the pest.
是我国及世界稻区主要害虫，培育抗性品种是最经济有效的防治手段。
The pest is polyphagous, has obvious selectivity for hosts and good adaptability to tobacco.
该蝇系多食性害虫，对寄主作物有明显的选择性，对烟草有较强的适应性。
It contains the pest control essential oil abstracted from pure natural plants, safe and nontoxic.
天然精油驱蚤颈圈附有纯天然植物萃取的驱虫系精油，安全无毒性！
Therefore, a comparatively objective method was found to identify the extent of the outbreak of the pest.
从而可以找到一种比较客观的方法来确定蝗虫的发生等级。
How do you perform the pest control, and do you have a regular evaluation on the efficacy of the control measures?
您是怎样进行虫鼠害控制的？您对控制措施的有效性定期进行评估吗？
The strategic diagnostic model includes three components: the PEST analysis, Five-Forces model analysis and system analysis.
第三部分报业集团战略诊断模型由PEST分析、五力分析和系统分析三部分组成。
The suddenness, contingency and periodicity of its occurrence were explored and suggestions about the forecast of the pest were made.
探讨了发生的突发性、偶然性、周期性，并对该虫的调查测报等工作提出了建议。
Therefore people have to study the pest resistance, and insect pests resistance to insecticides is the most active study in this area.
为此，人们不得不进行有害生物抗药性的研究，而害虫抗药性的研究则一直是有害生物抗药性研究中最活跃的领域。
Bt is a favored organic pesticide because its toxicity is very specific, making it harmless to just about everything but the pest in question.
Bt由于它的毒性非常专一，只是对昆虫有毒性而受有机农药欢迎。
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。
IPM is an effective pest control method that uses information on the life cycle of the pest and incorporates nonchemical and chemical methods.
这种方法是一种有效的综合运用非化学和化学方法的方法，并充分利用害虫生长周期的一种方法。
The pest, whose nests have already trebled in the worst-affected areas in the south-east in recent years, will spread even more rapidly, they say.
近年来，在东南部收在最重的地区，栎列队蛾的巢穴已经增加了两倍，专家称，其扩散速度仍在加快。
The result showed the lamps could exactly forecast the occurrence period and amount of the pest and effectively control the damage caused by the pest.
的预测、预报和防治实验，能准确地预测松毛虫的发生期和发生量，并能有效控制松毛虫的危害。
A method of using difference images to detect grain pests was described and three - image difference was adopted to re-store and extract the pest images.
描述了采用差分图像法实现对谷物害虫检测判断和三帧差分法实现谷物害虫图像恢复与提取的方法。
Pisi have not been recorded, and these plants were inspected on the field during the late growing season and found to be free from the pest mentioned above.
兹证明在母本植物种植地没有豌豆枯萎病菌的发生，并在这些植物生长季节后期进行田间检查未发现豌豆枯萎病菌。
Pisi have not been recorded, and these plants were inspected on the field during the late growing season and found to be free from the pest mentioned above.
兹证明在母本植物种植地没有豌豆枯萎病菌的发生，并在这些植物生长季节后期进行田间检查未发现豌豆枯萎病菌。
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