The cane toad was introduced back in 1935 to control an insect pest that was destroying Australia's sugarcane plantations.

蔗蜍早在1935年就被引进，以控制一种破坏澳大利亚甘蔗种植园的害虫。

Control way of insect pest.

虫害控制方法。

An insect pest fatal to cotton had struck the crop.

棉花遭受了一种致命的虫害。

Thus, CMS lines are needed to improve insect pest resistance in hybrid rice.

因此，杂交稻抗虫性的提高有赖于不育系的改良。

Dendroctonus valens is a dangerous insect pest of several pine species in China.

红脂大小蠹是我国一种危害油松等松树的外来入侵物种。

The system will greatly improve the prevention of cotton diseases and insect pest.

此系统的建立将对我国棉花病虫害防治具有现实性的意义。

Forest insect pest and disease is one of the main factors influencing forest health.

森林病虫害是影响森林健康的主要因素之一。

The results showed: the peach borer has been one of the most important corn insect pest.

结果表明：桃蛀螟已成为玉米的主要害虫之一。

Some suggestions for the further control and study on this insect pest were also proposed.

对今后的防治和研究提出了一些建议。

Dioryctria rubella Hampson is an important insect pest of the piney shoot, bud, cone and trunk.

微红梢斑螟是危害松类的嫩梢、球果、芽和干的重要害虫。

The mosquito is the most dangerous insect pest in the world, and man's oldest and deadliest killers.

蚊子是世界上最危险的害虫，也是人类最古老的宿敌和最致命的杀手。

System based on grid current pulse change statistics, which can estimate the insect pest of severity.

系统通过对电网中电流脉冲的变化进行统计，从而能够初略估计出虫害的严重程度。

The concentrations of Cd and Cu are different in the different parts of the male and female insect pest .

结果显示，镉与铜在不同性别东亚飞蝗不同部位的富集状况不同。

The prevalence of disease and insect pest is one of the factors, which restrict the yield in rape production.

在油菜生产中，病虫害的发生是油菜高产稳产的限制因子之一。

P. massoniana showed fast height growth but poor natural trimming , crooked bole, low insect pest resistance.

而马尾松的树高生长虽然较快，但自然整枝较差，树干不通直，且虫害较严重，抗性差；

This is harmless to cultivation controls insect pest and disease to be most direct, the most effective method.

这是无公害生产中控制病虫害最直接、最有效的方法。

According to observation on harmful characteristics of main forest insect pest, control measures have been put forward.

并对主要林木害虫的危害特点进行了观察，提出了防治策略。

It is unavailable to waste pesticides and pollute the environment by using conventional chemical control of insect pest.

使用传统的化学防虫不可避免地会造成农药浪费和环境污染。

The economic analysis of decision making is an important part of the modern insect pest management in theory and practice.

害虫管理决策的经济分析是现代害虫管理理论和实践的重要组成部分。

Service fee: According to actual seriousness of insect pest, surrounding environment, industry, building structure and etc.

服务的价格：视实际虫害严重程度，内外环境，行业，房屋结构等而定。

Insect pest is one of the most important factors affecting high performance, good quality and safe production of vegetables.

害虫为害是影响蔬菜高效、优质、安全生产的重要问题。

Therefore, it can not cause a threat on ecological environment to use lindane in partial control of crop insect pest in China.

作者认为，在我国部分害虫防治中起用林丹不可能对生态环境构成威胁。

Agenocimbex ulmusvora Yang is a newly discovered insect pest that causes severe damage to leaves of Chinese elm and White elm.

榆少锤角叶蜂是严重危害榔榆、白榆叶片的新害虫。

Research advances on structure, components, function, permeability and the relationship to insect pest management are summarized.

该文综述了有关围食膜结构、组分、功能、通透性以及与害虫防治的关系等方面的研究进展。

To be confronted with restricting chemosynthesis pesticides used in organic orchards, insect pest control had become a bottleneck.

面临有机果园不准使用化学合成农药的限制，果树害虫防治成为瓶颈问题。

The paper discussed Present situation and characteristics of insect pest in highway virescence, and put forward a prevention measurement.

本文对公路绿化虫害防治现状、发生特点及防治基本策略进行了初步的探讨。

Consequently, the low winter temperature is the key factor confining the distribution and overwintering population base of this insect pest.

冬季低温是限制柑桔潜叶蛾分布和决定越冬虫口基数的关键因子。

Objective To investigate infestation condition of globose spider beetle in floorboard and explore effective measures for controlling insect pest.

目的了解木地板、木制品害虫情况，探索木地板裸蛛甲防制方法。