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；
Natural enemy resources of insect pests of alfalfa are very abundant.
苜蓿天敌昆虫资源非常丰富。
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。
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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