parasitoids

简明释义

英[ˌpærəˈsaɪtəʊɪdz]美[ˌpɛrəˈsaɪtɔɪdz]

[生物]拟寄生

[生物]拟寄生物的（尤指胡蜂）（parasitoid 的复数）

英英释义

单词用法

同义词

反义词

例句

1.In both parasitoids, there was no significant difference in number of wasps per host egg, female ratio of progeny and percentages of wasps with parasitization between target host and C. sinica.

在子代性比、每寄主出蜂数和寄生雌蜂百分率几项指标上，两种赤眼蜂在各自靶标和中华通草蛉之间均差异不显著。

2.Conclusion: Control THD food parasitoids of the key that enhance the diet hygiene and foodstuff hygiene management.

结论：加强饮食卫生及食品卫生管理是控制食物源性寄生虫病的关键。

3.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.

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。

4.In addition, the host-feeding, oviposition and host-searching behaviors of the parasitoids were described.

另外，本论文对雌蜂的寄主搜索、产卵和寄主取食行为做了比较详细的描述。

5.Development period of the parasitoids was shortened when hostal egg age rised.

随着美洲大蠊卵荚历期的增加，啊氏啮小蜂发育历期逐渐缩短。

6.These provided theory foundation for SPM. 1 The arthropod community was divided into four sub-communities, which were phytophages, predators, parasitoids and neutralities.

根据杨树节肢动物的营养与取食关系，将群落划分为植食类、捕食类、寄生类和中性类亚群落。

7.Egg parasitoids of the genus Trichogramma are widely used in biological control against Lepidopterous pests.

赤眼蜂属是生物防治中广泛用来防治鳞翅目害虫的一类重要天敌昆虫。

8.Many parasitoids lay their eggs inside or on the bodies of their hosts.

许多寄生性昆虫会将卵产在宿主的体内或体表上。

9.Researchers are exploring how parasitoids can be used in biological pest control.

研究人员正在探索如何利用寄生性昆虫进行生物害虫控制。

10.The lifecycle of parasitoids often involves a complex interaction with their hosts.

寄生性昆虫的生命周期通常涉及与宿主的复杂相互作用。

11.The study focused on the role of parasitoids in controlling pest populations in agricultural fields.

这项研究集中于寄生性昆虫在控制农业田间害虫种群中的作用。

12.Certain parasitoids are highly specific, targeting only one or a few species of hosts.

某些寄生性昆虫具有高度特异性，仅针对一种或少数几种宿主。

作文

In the vast and intricate web of ecosystems, every organism plays a crucial role in maintaining the balance of life. Among these organisms, parasitoids are particularly fascinating due to their unique life cycle and their impact on host populations. Parasitoids are defined as organisms, usually insects, that spend a significant portion of their life cycle attached to or within a single host organism, ultimately leading to the host's death. This relationship is distinct from that of traditional parasites, which typically do not kill their hosts. The study of parasitoids offers valuable insights into biological control, ecology, and evolution.One of the most well-known groups of parasitoids are wasps, specifically those belonging to the order Hymenoptera. These wasps lay their eggs inside or on the bodies of various insect hosts, such as caterpillars or aphids. As the larvae develop, they consume the host from the inside out, eventually leading to its demise. This gruesome yet fascinating process highlights the complex interactions between species in nature. While it may seem harsh, parasitoids play an essential role in regulating pest populations, making them vital for agricultural practices.The ecological role of parasitoids extends beyond mere pest control. They contribute to the biodiversity of ecosystems by influencing the population dynamics of their hosts. For instance, when parasitoids target a specific pest species, they can help maintain the balance within food webs, ensuring that no single species dominates an ecosystem. This dynamic interplay is crucial for sustaining healthy environments.Moreover, parasitoids have been utilized in biological control programs for decades. Farmers and ecologists often introduce these organisms to combat invasive pest species without resorting to chemical pesticides. By harnessing the natural predatory behavior of parasitoids, we can reduce the reliance on synthetic chemicals, promoting sustainable agriculture practices. Successful examples include the use of parasitoids to control the populations of the cotton bollworm and other harmful agricultural pests.Research on parasitoids also provides insights into evolutionary processes. The co-evolution between parasitoids and their hosts showcases the arms race between predator and prey. As hosts evolve defenses against parasitoids, the latter must adapt to overcome these challenges. This ongoing evolutionary battle leads to increased diversity and specialization among both groups, enriching our understanding of evolutionary biology.In conclusion, parasitoids are remarkable organisms that exemplify the complexity of ecological relationships. Their role in pest control, contribution to biodiversity, and influence on evolutionary processes underscore their importance in both natural ecosystems and agricultural settings. By studying parasitoids, we gain a deeper appreciation for the interconnectedness of life and the delicate balance that sustains our planet's ecosystems. As we face global challenges such as climate change and habitat loss, understanding the roles of such organisms becomes increasingly vital for conservation efforts and sustainable practices.

在广阔而复杂的生态系统网络中，每个生物体在维持生命平衡方面都扮演着至关重要的角色。在这些生物中，寄生性昆虫由于其独特的生命周期和对宿主种群的影响而特别引人注目。寄生性昆虫被定义为通常是昆虫的生物，它们在生命周期的很大一部分时间内附着在或生活在单一宿主生物体内，最终导致宿主的死亡。这种关系与传统寄生虫的关系不同，后者通常不会杀死其宿主。对寄生性昆虫的研究为生物控制、生态学和进化提供了宝贵的见解。最著名的寄生性昆虫群体之一是黄蜂，特别是属于膜翅目（Hymenoptera）的一些种类。这些黄蜂将卵产在或靠近各种昆虫宿主的体内，例如毛虫或蚜虫。当幼虫发育时，它们会从内部消耗宿主，最终导致宿主的灭亡。这一残酷而又迷人的过程突显了自然界中物种之间的复杂相互作用。虽然这似乎很残酷，但寄生性昆虫在调节害虫种群方面发挥着至关重要的作用，使它们对农业实践至关重要。寄生性昆虫的生态角色不仅限于简单的害虫控制。它们通过影响宿主的种群动态来促进生态系统的生物多样性。例如，当寄生性昆虫针对特定的害虫种类时，它们可以帮助维持食物网内的平衡，确保没有单一物种主导生态系统。这种动态的相互作用对于维持健康的环境至关重要。此外，寄生性昆虫在生物控制项目中已经被利用了几十年。农民和生态学家经常引入这些生物来对抗入侵的害虫种类，而不依赖于化学农药。通过利用寄生性昆虫的自然捕食行为，我们可以减少对合成化学品的依赖，促进可持续农业实践。成功的例子包括使用寄生性昆虫控制棉铃虫和其他有害农业害虫的种群。对寄生性昆虫的研究还提供了对进化过程的深刻见解。寄生性昆虫与其宿主之间的共同进化展示了捕食者与猎物之间的军备竞赛。随着宿主在对抗寄生性昆虫方面进化出防御机制，后者必须适应以克服这些挑战。这场持续的进化斗争导致两组之间的多样性和专业化增加，丰富了我们对进化生物学的理解。总之，寄生性昆虫是令人惊叹的生物，体现了生态关系的复杂性。它们在害虫控制、生物多样性的贡献以及对进化过程的影响凸显了它们在自然生态系统和农业环境中的重要性。通过研究寄生性昆虫，我们更深入地理解生命的相互联系以及维持我们星球生态系统的微妙平衡。随着我们面临气候变化和栖息地丧失等全球挑战，理解此类生物的角色对保护工作和可持续实践变得愈发重要。