这里没有害虫。
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。
The cane toad itself became a pest and has destroyed much of the wildlife on that continent.
蔗蜍本身变成了一种害虫，并且已经破坏了那片大陆上的很多野生动物。
To take an extreme example, farmlands dominated by a single crop are so unstable that one year of bad weather or the invasion of a single pest can destroy the entire crop.
举个极端的例子，以单一作物为主的农田是如此不稳定，一年的坏天气或单一害虫的入侵可以摧毁整个作物。
Sarcophaga peregrina is a pest of health, with a small body and a great power in reproduction.
游荡肉蝇是一种健康害虫，它的身体小，繁殖力强。
Insect predators living in the mixed species plantations reduce pest damage.
并且生活在混合植被中的昆虫捕食者可以减轻害虫的危害。
The use of Bt has been especially effective when employed as part of an integrated pest management programme.
作为综合病虫害治理计划的一部分时，使用苏云金芽孢杆菌尤其有效。
Globally there is limited quantifiable data about pest incidence and their effects on forests and forest products.
在全球范围内，有关病虫害发生率及其对森林和森林产品造成影响的可量化数据有限。
And move over bedbugs, there's a new pest in town, at least if you live in the Eastern United States.
先撇开臭虫不说，现在城镇里又出现一种新害虫，至少如果你住在美国东部的话就会发现。
Here are some general tips from entomologist Wayne White to minimize pest issues — and ants in particular.
下面是昆虫学家韦恩·怀特为我们就减少虫害的问题-特别是蚂蚁-提出的一些一般建议。
Following its escape, the snail became a serious pest to rice in the region by devastating rice paddies.
但它们逃跑之后，毁坏稻田，成了该地区水稻的重大害虫。
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.
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。
An American household products company had given a technical seminar to the Dong Fang Hotel management on the use of industrial pest control products to deal with the cockroach problem.
一家美国家居用品公司和东方宾馆的管理层开了一场技术座谈会，讨论使用工业害虫控制产品对付蟑螂。
However production is in decline in many regions as a result of pest and disease problems that cannot be managed due to the high cost of pesticides and their negative environmental effects.
然而许多地区的产量在下降，因为杀虫剂成本高昂以及对环境的不利影响，病虫害问题无法应对。
Asiatic insect introduced accidentally into United States; pest on citrus and apple trees.
偶然引入美国的亚洲昆虫；对柑橘树和苹果树有害。
Ragwort was accidentally introduced to New Zealand in the late nineteenth century and, like so many invading foreign species, quickly became a pest.
19世纪末，狗舌草被偶然引入新西兰，像许多入侵的外来物种一样，它很快就变成了一种有害生物。
Replaced the AC filter, applied pest control spay, replaced fire alarm batteries, etc.
——换了空调过滤网，喷了杀虫药，给火灾报警器换了电池，等等。
When collecting germplasm, local plant quarantine procedures, for example pest risk assessment, should guide ultimate action.
在收集种质时，最终行动应遵循当地植物检疫程序，如有害生物风险评估。
The hillside was terraced to reduce erosion and farmers were trained in using fertilizer and pest management to the best effect.
他们平整了山坡以防水土流失，还接受了怎样最有效地使用化肥和进行病虫害管理的技术培训。
One key driving force behind bee destruction in Europe and North America has been a type of mite, the varroa destructor pest, which attacks bees and that beekeepers struggle to control, Neumann said.
欧洲、北美的蜜蜂面临的毁灭背后一个关键性的驱动力是一种叫做瓦螨的小虫，它们向蜜蜂发起进攻，而养蜂人则极力想要控制它们，诺依曼说。
Handled basic household maintenance. - replaced the ac filter, applied pest control spay, replaced fire alarm batteries, etc.
完成了家里一些基本的维修工作。——换了空调过滤网，喷了杀虫药，给火灾报警器换了电池，等等。
What our study suggests is that organic agriculture is promoting these more balanced natural enemy communities and they may have better, organic pest control.
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。
All projects offer more than emergency assistance, helping countries also to develop pest management strategies to prevent further outbreaks in the medium and long term.
所有项目不仅提供紧急援助，还帮助各国制定病虫害治理战略，以防止中长期内进一步爆发森林病虫害。
All projects offer more than emergency assistance, helping countries also to develop pest management strategies to prevent further outbreaks in the medium and long term.
所有项目不仅提供紧急援助，还帮助各国制定病虫害治理战略，以防止中长期内进一步爆发森林病虫害。
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