Forest insects are mainly divided into natural enemies, pollinating insects, medical insects, edible insects, industrial insects and cultural insects.
我国森林昆虫的开发与利用主要集中在天敌昆虫、传粉昆虫、药用昆虫、食用昆虫、工业用昆虫和文化昆虫等六大类。
It becomes more and more carefully to control forest insects by pesticide because the people's senses of environmental protection have been constantly strengthened.
化学农药防治森林害虫随着人们环保意识不断增强在应用中越来越慎重。
Using TM images can monitor the damage caused by forest insects and diseases, but its operation is too complex to generalize this technique in production organization.
利用TM影像可以进行森林病虫灾害的监测，但是操作过于复杂，无法在生产单位进行推广应用。
Treecreeper is a small forest bird with large claws for climbing tree trunks in search of insects.
旋木雀是一种小型的森林鸟类，有巨大的爪子，用来爬上树干寻找昆虫。
Insects and pathogens are integral components of forest ecosystems and normally are present at a relatively low density, causing little damage, and having negligible impact on tree growth and vigour.
昆虫和病原体是森林生态系统的固有成分，通常其密度相对较低，所造成的损害较小，对树木生长及其活力的影响微乎其微。
But Ghosananda had gone to Thailand to learn meditation in 1965, staying for years in a hermitage in the forest where only the buzz of insects disturbed him.
但哥沙纳达法师1965年去泰国学习冥想，在一个林间偏僻寺院中静修数年，其间止有蝉鸣虫语偶有搅扰。
The study provided the contents and methods of monitoring forest diseases and insects using remote sensing, and also discussed the problems exist and the future development trend at present.
本文论述了利用遥感技术进行森林病虫害监测研究的内容、技术与方法，并探讨了目前遥感监测病虫害存在的问题及其发展趋势。
Flying insects attacked them as soon as they went into the forest.
他们刚走进森林，就遭到飞虫的袭击。
The silence of the forest was more oppressive than the heat, and at this hour of the day there was not even the whine of insects.
森林的静谧比起暑热来更为逼人，在这个时刻，甚至连各种昆虫的哀鸣都没有了。
Her book titled "the Metamorphosis of the Insects of Suriname," showed Europeans for the first time the great diversity of the South American rain forest.
她著有书籍《苏里南昆虫的蜕变》，向欧洲人们首次展示了丰富多样的美洲南部热带雨林。
Based on the fauna composition and division characteristics of forest pest insects in Ziwu Mountains and damage of pests on important tree species, 3 control countermeasures were provided.
根据子午岭林区林虫区系组成和区划特征，结合主要树种害虫危害特点，提出了预防和除治子午岭林区森林害虫的3项措施。
Most of them are phytophagous insects and important pests in agriculture and forest; others are predatory insects and are insect enemy and potential resources for biocontrol.
大多数螽蟖为植食性种类，是重要的农林害虫，部分类群为捕食性种类，是重要的昆虫天敌和生物防治的潜在资源。
The forest filled with a variety of sound, the wind "rustle" to ring, rain "rhythm" to fall, the birds "chirp" cried, insects "tweeted" Ming, a variety of natural sound composition of a symphony .
林间充次着各种声响，风“沙沙”地响着，雨“淅淅沥沥”地落着，鸟类“唧唧喳喳”地叫着，虫子“啾啾”鸣着，各种自然界的声响组成一部交响乐。
Now DFB is widely used to control over 90 species insects of agriculture, forest, fruit, vegetable, store grain, graziery, sanitation and so on.
目前，灭幼脲已被用于防治农林、果树、蔬菜、贮粮、畜牧、卫生等90多种害虫。
There is a great spatiotemporal variability in the feeding level of folivorous insects in forest canopy.
森林冠层叶片被取食水平具有高度的时空变异性。
In a tropical forest, for example, the advantages of insects are great: they provide highly targeted pollen -delivery in a complex milieu.
举例说来，热带森林里，昆虫的优势大：它们在这个综合环境里提供的是高精准度的花粉传送。
In Bangladesh's Sundarban Forest, a beekeeper fans smoke into a hive of giant honeybees to calm the swarming insects before collecting their honey.
在孟加拉的申达本森林，养蜂人扇动烟雾进入巨蜂蜂巢，以平息涌出的蜂群从而采集蜂蜜。
In Bangladesh's Sundarban Forest, a beekeeper fans smoke into a hive of giant honeybees to calm the swarming insects before collecting their honey.
在孟加拉的申达本森林，养蜂人扇动烟雾进入巨蜂蜂巢，以平息涌出的蜂群从而采集蜂蜜。
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