一些甲虫以植物为食，因此被认为是农业害虫。
Some consume live plants and are considered agricultural pests.
系统对农业害虫种类的鉴别是准确的、有效的。
The identification of the agricultural pests in this system is more exact and effective.
杀死农业害虫农药和化学品的也流入河流和海洋去。
Poisons to kill pests in farming and chemicals go into rivers and seas, too.
植物抗虫基因为防治农业害虫提供了一条崭新途径。
The anti - insect gene of the plant offers a brand - new way for preventing the agricultural pests.
草地螟是一种兼具迁飞和滞育特性的重要农业害虫。
The beet webworm, Loxostege sticticalis Linnaeus (Lepidoptera: Pyralidae), is a serious pest to farming and stockbreeding in Northern China.
全所共设三个系，即植物病害系、农业害虫系和农药系。
There are three departments in IPP, namely department of Plant Diseases, department of Agricultural Pests, as well as department of Agro-chemicals.
该组合物可有效地防治农业害虫，特别适用于防治水稻害虫。
The composition effectively prevents and controls agricultural injurious insects and is particularly suitable for preventing and controlling rice injurious insects.
对农业害虫持续控制的基本概念、意义、策略和技术作了简述。
In the paper, the concept, significance, strategy and technology of sustainable pest control were discussed.
豆天蛾是一种大型的农业害虫，在我国西部和北部地区广泛分布。
Clanis bilineata tsingtauica is a kind of argricultral injurious insect, distributing in the west and north of china.
这些是重要的农业害虫，且常以难以确认的幼虫和卵的方式出没于乡间的水果上。
These are important agricultural pests and often arrive in the country as hard-to-identify larvae, or eggs, on fruit.
本发明的化合物及其组合物用于防治有害螨及其卵的用途以及用于防治农业害虫的用途。
The compound and the composition thereof can be used for preventing and controlling harmful mites and eggs of the harmful mites, and also can be used for preventing and controlling pests.
我们的研究只是表明有机农业可以使农业害虫的天敌群落更加平衡，可以更好控制农业害虫。
What our study suggests is that organic agriculture is promoting these more balanced natural enemy communities and they may have better, organic pest control.
真菌主要是在土壤环境中开始对昆虫的攻击，在花园，温室以及户外，人们经常采用真菌来控制农业害虫。
Fungi that attack insects are present in soils worldwide, and they are used in gardens, greenhouses, and open fields to control agricultural pests.
生物碱是研究最早的一类生物活性天然产物，对人体、动物或农业害虫具有广泛而强烈的生理活性作用。
Alkaloids are important natural products researched most early, most of which possess biologic activity, and have extensive intensive physiological activity to people, animal and agricultural pests.
随着害虫防治策略的不断改进，群落生态学中的许多基本概念被越来越多的应用到农业害虫防治系统中。
With the development of pest control strategies, more and more concepts from community ecology are applied to the system of preventing agricultural pests.
甜菜夜蛾隶属于鳞翅目夜蛾科，是一种世界性分布、杂食性重要农业害虫，主要危害蔬菜、棉花和观赏植物。
The beet armyworm, Spodoptera exigua (Hubner), is a polyphagous noctuid of worldwide importance that feeds on various agricultural crops, including vegetable, cotton and ornamental.
研究结果表明，该预测模型为农业害虫种群动态的中长期预测预报提供了一种新的研究方法，是一种优良的模型。
The results tested the pest data showed that the new method may be tried for the mid term or long term forecasting of the population dynamics of insect pests, and it is a good model for application.
拟除虫菊酯杀虫剂主要用于防治棉田、菜地、果树和茶叶上的农业害虫以及卫生害虫，也用于渔业生产上杀灭寄生虫。
Pyrethroid pesticides are mainly used in killing pests in cotton, vegetable, fruit and tea trees, public health and also in killing parasites in fish.
农业害虫给农作物产量和品质造成了重大经济损失，利用农作物抗虫特性，选育和种植抗虫品种是防治虫害最经济、有效的措施。
Agricultural pests have caused serious economic damage to production and quality of crops. The use of crops resistant to pests is the most economic and efficient measure in controlling pests.
地中海实蝇(Mediterraneanfruitfly)通常简称为Medfly，是世界上最具破坏性的农业害虫之一。
The Mediterranean fruit fly commonly called Medfly, is one of the world's most destructive agricultural pests.
所以，杀虫剂会对鸟类的数量有非常严重的影响。同时，因为即便是在将来，还是需要杀虫剂来控制农业害虫，所以，鸟类数量减少的趋势难以改变。
So, pesticides have significantly contributed to declines in bird population, and because there will continue to be a need to control agricultural pests in the future, this decline will continue.
所以，杀虫剂会对鸟类的数量有非常严重的影响。同时，因为即便是在将来，还是需要杀虫剂来控制农业害虫，所以，鸟类数量减少的趋势难以改变。
So pesticides have significantly contributed to declines in bird population and because there will continue to be a need to control agricultural pests in the future this decline will continue.
我们对这一重要的蜜蜂害虫所知之少，令人震惊，尽管20多年来其已对农业造成了巨大破坏。
It's quite shocking how little we know about this essential pest of honey bees although it has caused havoc in agriculture for more than 20 years.
开普罗介绍说，驳船上的用水只有普通田地的十分之一，也没有农业径流，使用生物天敌防治像瓢虫这样的温室蔬菜害虫而不是化学农药。
The barge used one-tenth as much water as a comparable field farm. There was no agricultural run-off, and chemical pesticides were replaced with natural predators such as ladybirds.
他们用这种油对农业中常见的11种真菌和4种杆菌，以及一种常见的令人闻之生厌的马铃薯害虫——科罗拉多甲虫进行了试验。
They tested this oil on 11 species of fungus and four types of bacterium that are common agricultural problems. They also tried it on the larvae of Colorado beetles, a notorious pest of potatoes.
鞘翅目害虫是农业、林业上重要害虫。
Coleopteran pest is very important in agriculture and fOrestry.
农业生产中用于除害虫。
农业生产中用于除害虫。
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