天敌包括捕食性天敌与寄生性天敌。
The natural enemies include predacity and parasitical enemy.
许多寄生性天敌昆虫的雌虫不仅寄生寄主，而且还能取食寄主。
Many species of insect parasitoids not only parasitize hosts but can also feed and kill them.
在天敌功能团中，瓢虫类恢复能力较强，蜘蛛类与寄生性天敌类较弱。
Among the functional groups of natural enemies, ladybirds had a stronger ability of recovery, while spiders and parasitoids were weaker.
利用寄生性天敌花绒寄甲防治天牛幼虫和蛹是主要的防治技术，前景广阔。
It was the main techniques in future to control the larvae and pupa by parasitoids of Dastarcus helophoroides.
天敌（包括捕食性天敌与寄生性天敌）79种，占整个群落的21.41％；
The natural enemies (including predacity and parasitical enemy) include 79 species, which hold the 21.41% of the whole community.
相关性分析的结果表明上一代的虫口密度可以影响下一代害虫卵期的寄生性天敌的数量。
The result of correlation analysis showed that the caterpillar densities of previous generation could affect the parasitism rates of following generation.
现有一些资料表明：转基因植物对有益生物如天敌尤其是寄生性天敌将产生一些潜在的不利影响。
Many reports have showed that the transgenic plants have some disadvantages and potential influences on the non-target species, even the higher trophic level organisms, e. g. predators and parasites.
柑桔软蚧和褐软蚧两类蚧虫，在国外部分国家成为难以对付的害虫，主要是缺乏具有制约作用的寄生性天敌。
Two Soft Acales Coccus pseudomanoliarum Kuw. and C. hesperidum L. are difficult to be controlled in some oversea areas where parasitic wasps are not occurred.
杂草地生境节肢动物群落的害虫、中性昆虫、捕食性天敌和寄生性天敌亚群落对稻田生境相应亚群落的影响程度不同。
The effect of predator, parasitoid, insect pest and neutral insect groups in the arthropod community in the weed habitat on the corresponding groups in the paddy habitat were varied.
本文叙述了收集到的中国大陆茶树害虫的天敌资源，据记载害虫的寄生性天敌昆虫约有72种，分属于2个目14科；
The collected natural enemy resources of tea pests in China was described in this paper. The numbers of parasitic natural enemy of tea pests amounted 72 species, belonging to 2 orders and 14 families;
作为调节和利用寄生性天敌以控制害虫为害所需的重要基础信息之一，寄生性天敌的寄生行为已有70多年的研究历史。
Behaviors of parasitoids, as part of important basic information for regulating and utilizing parasitoids to control insect pests, have been studied for more than 70 years.
杂草地生境和稻田生境节肢动物群落的害虫、捕食性天敌、寄生性天敌和中性昆虫亚群落的相似程度为捕食性天敌＞害虫＞寄生性天敌＞中性昆虫。
The descending sort of groups of arthropod was predators, insect pests, parasitoids and neutral insects by the similarity degree of arthropod groups between weed habitat and paddy habitat.
结果表明，白蜡虫泌蜡期天敌群落共有捕食和寄生性天敌18种，各群落的优势种和物种组成变化较小，群落相似性程度较高，相似性系数最高达95.12%，最低为73.86%。
The results showed that there were 18 species of natural enemies in the communities. The highest coefficient of community similarity was 95.12%, and the lowest coefficient was 73.86%.
本文记录了西昌农田害虫天敌寄生性昆虫96种，捕食性昆虫81种。
This paper records the natural enemies of pests in Xichang farmlands, including 96 parasitic insects and 81 predatory insects.
本文记录了西昌农田害虫天敌寄生性昆虫96种，捕食性昆虫81种。
This paper records the natural enemies of pests in Xichang farmlands, including 96 parasitic insects and 81 predatory insects.
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