alderfly

简明释义

英[ˈɔldərˌflaɪ]美[ˈɔldərˌflaɪ]

n. 蜻蜓科的昆虫；昆虫

复 数 a l d e r f l i e s

英英释义

单词用法

同义词

反义词

例句

1.During our hike, we spotted an alderfly 桤木虫 resting on a leaf.

在我们的远足中，我们发现一只桤木虫停在一片叶子上。

2.The larvae of the alderfly 桤木虫 are often found in freshwater environments.

桤木虫的幼虫通常在淡水环境中发现。

3.The presence of alderfly 桤木虫 indicates a healthy aquatic ecosystem.

桤木虫的存在表明水生生态系统健康。

4.I learned that the adult alderfly 桤木虫 has a short lifespan, usually only a few days.

我了解到成年桤木虫的生命周期很短，通常只有几天。

5.We used a net to catch some alderfly 桤木虫 larvae for our science project.

我们用网捕捉了一些桤木虫幼虫用于我们的科学项目。

作文

The beauty of nature often lies in the intricate details that one might overlook at first glance. Among the myriad of insects that inhabit our wetlands, the alderfly (known as '桤木虫' in Chinese) stands out due to its unique characteristics and fascinating life cycle. These delicate creatures are not only important for the ecosystem but also serve as a reminder of the complex interconnections within nature. The alderfly is a member of the order Megaloptera and is commonly found near alder trees, which provide both habitat and food sources for their larvae. The adult alderfly is characterized by its large, membranous wings that resemble those of lacewings. These wings are usually adorned with intricate patterns that can vary in color, making them a beautiful sight when they flutter about in the evening light. The adults are typically nocturnal, emerging at dusk to mate and lay eggs, which adds another layer of mystery to their behavior.One of the most interesting aspects of the alderfly's life cycle is its larval stage. The larvae are aquatic and live in the water beneath the surface of streams and ponds. They are predatory, feeding on other small aquatic organisms, which plays a crucial role in maintaining the balance of the ecosystem. This predation helps control populations of other insects, ensuring that no single species dominates the aquatic environment. As they grow, the larvae undergo several molts before eventually emerging as adults, a transformation that is both remarkable and vital for their reproduction.The presence of alderfly larvae in a water body is often an indicator of a healthy ecosystem. Their sensitivity to pollution means that if they are thriving, it is likely that the water quality is good. This makes them valuable bioindicators for environmental scientists who study the health of freshwater habitats. Protecting the habitats of alderfly not only benefits these insects but also supports a wide range of other species that rely on similar environments.In addition to their ecological significance, alderflies have also captured the interest of researchers studying evolutionary biology. Their unique adaptations and behaviors provide insight into how species evolve in response to their environments. Understanding the alderfly can shed light on broader ecological principles and the importance of biodiversity.As we continue to explore and understand the natural world, it is essential to appreciate the small yet significant creatures like the alderfly. They remind us of the interconnectedness of life and the importance of preserving our natural habitats. By protecting these environments, we ensure that future generations can enjoy the beauty and complexity of nature, including the delicate dance of the alderfly under the moonlight. In conclusion, while the alderfly may be just one species among many, its role in the ecosystem is invaluable, and its existence enriches our understanding of the natural world.

大自然的美往往体现在那些初看时可能会被忽视的微妙细节中。在我们湿地栖息的无数昆虫中，alderfly（中文称为“桤木虫”）因其独特的特征和迷人的生命周期而脱颖而出。这些精致的生物不仅对生态系统至关重要，还提醒我们自然界内部复杂的相互联系。alderfly 是巨翅目的一员，通常发现于桤木附近，这些桤木为其幼虫提供栖息地和食物来源。成年的alderfly 具有大型膜状翅膀，形似蕾丝虫。这些翅膀通常装饰着复杂的图案，颜色各异，使它们在黄昏的光线中飞舞时成为美丽的景象。成年虫通常是夜行性的，傍晚时分出现交配并产卵，这为它们的行为增添了另一层神秘感。alderfly 生命周期中最有趣的方面之一是其幼虫阶段。幼虫生活在溪流和池塘表面下的水中，属于水生捕食者，以其他小型水生生物为食，这在维持生态系统平衡方面起着至关重要的作用。这种捕食有助于控制其他昆虫的种群，确保没有单一物种主导水域环境。随着它们的成长，幼虫经历几次蜕皮，最终化蛹成虫，这一转变既显著又对其繁殖至关重要。在水体中发现alderfly 幼虫通常是健康生态系统的一个指标。它们对污染的敏感性意味着如果它们繁衍生息，水质很可能良好。这使得它们成为环境科学家研究淡水栖息地健康的宝贵生物指示物。保护alderfly 的栖息地不仅有利于这些昆虫，也支持依赖类似环境的其他广泛物种。除了生态重要性外，alderfly 还吸引了研究进化生物学的研究者的兴趣。它们独特的适应性和行为为研究物种如何根据环境变化而进化提供了见解。了解alderfly 可以揭示更广泛的生态原则和生物多样性的重要性。随着我们继续探索和理解自然世界，欣赏像alderfly 这样的小而重要的生物是至关重要的。它们提醒我们生命的相互联系以及保护自然栖息地的重要性。通过保护这些环境，我们确保未来几代人能够享受自然的美丽和复杂性，包括在月光下轻盈舞动的alderfly。总之，虽然alderfly 可能只是众多物种中的一种，但它在生态系统中的角色不可估量，其存在丰富了我们对自然世界的理解。