This insect enemy was studied in 1979 ~ 1987 to find the ways of its intergrated control.
为了探讨除蚧灭病的综合防治途径，我们于1979 ~ 1987年进行了专题研究。
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 result indicates that the chewing pest, piercing-sucking pest, predatory natural enemy and neutral insect are the dominance guilds in the insect community.
结果表明：咀嚼害虫、刺吸害虫、捕食性天敌以及中性昆虫是昆虫群落的优势功能团；
Three nutrition relationships between plant and plant-eating insect and natural enemy are focused in some years.
近几年来植物—植食性昆虫—天敌间的三重营养级关系研究是一个热点。
Natural enemy resources of insect pests of alfalfa are very abundant.
苜蓿天敌昆虫资源非常丰富。
So this is what the enemy has in mind-they mean to pin us down like a trapped insect. Shut down all engines before she comes apart at the seams!
这就是敌人计划的东西，他们想把我们钉在地上，就象被陷阱抓住的虫子。在引擎扯开接缝之前，关闭所有的引擎。
The characteristics and functions of herbivory insect induced plant volatiles are results of the co evolution among plant, herbivore and natural enemy.
虫害诱导的植物挥发物的特征和功能是植物—植食性昆虫—天敌之间长期进化的结果。
The phenomena shows that the interaction between different trophic levels of natural enemy-insect and pest-plant is undoubtedly of important ecological and behavioral significance.
这种同步迁移现象无疑具有重要的生态学和行为学意 义，表现出“天敌—寄主—植物”不同营养层之间的相互作用。
The phenomena shows that the interaction between different trophic levels of natural enemy-insect and pest-plant is undoubtedly of important ecological and behavioral significance.
这种同步迁移现象无疑具有重要的生态学和行为学意 义，表现出“天敌—寄主—植物”不同营养层之间的相互作用。
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