寄生天敌云杉瘿蚊长尾小蜂寄生率达6 .39%。
The parasitic rate of parasitic natural enemy Torymus gansuensis is 6 39.
天敌包括捕食性天敌与寄生性天敌。
The natural enemies include predacity and parasitical enemy.
有一种观点认为它们总能逃避天敌，例如被寄生物控制于自己的居住范围。
One idea is that they've escaped their enemies, for example, the parasites that keep them in check on their home turf.
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.
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.
东南山区小蠹虫天敌寄生蜂8种，其中：茧蜂科2种，广肩小蜂科1种，金小蜂科3种，旋小蜂科2种。
There are 8 species of parasitic wasps in the Southeast Mountains region, 2,1,3, and 2 species of which belong to Braconidae, Euritomidae, Pteromalidae, and Eupelmidae respectively.
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%.
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.
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.
云南省寄生蜂天敌资源十分丰富。
Resources of parasitic wasp natural enemy are very rich in Yunnan Province.
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.
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.
假眼小绿叶蝉的天敌较多，而寄生其卵的缨小蜂对其具有重要的控制作用。
The natural enemies of SGL, especially its egg parasitoids, mymaridae, were plentiful and have an important potentiality for sustainable controlling the leafhopper.
广赤眼蜂、涓夜蛾绒茧蜂、广大腿小蜂分别为卵期、幼虫期和蛹期的天敌优势种，其最高寄生率分别为30 %、80 %和65 %。
Among them, Trichogramma evanescens, Apanteles sp. and Brachymeria obscurata were dominant species with the highest parasitizations of 30%, 80% and 65% respectively.
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.
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;
试验研究了大豆植株形态对大豆蚜的寄生和天敌捕食的影响。
The dynamics of the soybean aphid Aphis glycines, fed on glabrous soybean and the pubescent soybean plant, was observed in the laboratory.
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.
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.
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.
建议抓住优势种群发生高峰期，制定白蜡虫天敌寄生蜂的有效控制措施。
A suggestion was given to designate the control strategy about the parasite wasps on the white wax insect.
在实验室内研究了本地天敌拟澳洲赤眼蜂和外来天敌短管赤眼蜂在不同卵龄和不同空间条件下对小菜蛾卵的寄生和种间竞争。
Parasitizing ability and interspecific competition of Trichogramma confusum Viggiani and T. pretiosum Riley on the eggs of Plutella xylostella (L. ) in the laboratory;
在实验室内研究了本地天敌拟澳洲赤眼蜂和外来天敌短管赤眼蜂在不同卵龄和不同空间条件下对小菜蛾卵的寄生和种间竞争。
Parasitizing ability and interspecific competition of Trichogramma confusum Viggiani and T. pretiosum Riley on the eggs of Plutella xylostella (L. ) in the laboratory;
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