caddisflies

简明释义

英[/ˈkædɪsˌflaɪz/]美[/ˈkædɪsˌflaɪz/]

n. 切翅泥苞虫；毛翅蝇；石蛾（等于 caddicefly）（caddisfly 的变形）

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1.They also found that the water became well aerated and that populations of important food-chain insects such as mayflies, stoneflies and caddisflies grew.

他们也发现河水的通气性良好，重要的食物链昆虫像是蜉蝣、石蝇和石蛾的族群数都增加了。

2.They also found that the water became well aerated and that populations of important food-chain insects such as mayflies, stoneflies and caddisflies grew.

他们也发现河水的通气性良好，重要的食物链昆虫像是蜉蝣、石蝇和石蛾的族群数都增加了。

3.Some species of caddisflies are used as bioindicators to assess water quality.

某些种类的毛虫被用作生物指示剂来评估水质。

4.The larvae of caddisflies are known for their remarkable ability to construct protective cases from natural materials.

毛虫的幼虫以其能用自然材料构建保护壳的非凡能力而闻名。

5.During summer evenings, you might notice adult caddisflies fluttering around lights.

在夏季的傍晚，你可能会看到成年的毛虫在灯光周围飞舞。

6.In freshwater ecosystems, caddisflies play a crucial role in the food web as both predators and prey.

在淡水生态系统中，毛虫作为捕食者和猎物在食物链中扮演着重要角色。

7.The intricate cases built by caddisflies can be found along riverbanks and lake shores.

在河岸和湖岸可以找到由毛虫建造的复杂壳体。

作文

Caddisflies are fascinating insects that belong to the order Trichoptera. These small creatures are primarily found near freshwater habitats, such as rivers, streams, and lakes. They play a significant role in the ecosystem, particularly in the aquatic food web. The larvae of caddisflies (毛虫) are known for their unique ability to construct protective cases from materials found in their environment, including pebbles, twigs, and even plant debris. This behavior not only provides them with shelter from predators but also helps them camouflage within their surroundings.As I observed these insects during a recent visit to a local stream, I was struck by their diversity. There are over 14,000 species of caddisflies (毛虫) worldwide, each exhibiting distinct characteristics and adaptations. Some species are known for their intricate cases, which can resemble tiny works of art. Others have developed specialized feeding mechanisms that allow them to thrive in various aquatic conditions.The life cycle of caddisflies (毛虫) is equally intriguing. They undergo complete metamorphosis, starting as eggs laid in or near water. After hatching, the larvae begin their journey, often spending several months to years in their aquatic environment before pupating. This stage is critical as it allows them to transform into adult insects, which emerge from the water to mate and lay eggs, continuing the cycle.One of the most remarkable aspects of caddisflies (毛虫) is their sensitivity to environmental changes. They are considered bioindicators, meaning their presence or absence can provide valuable information about the health of aquatic ecosystems. A decline in caddisflies (毛虫) populations often signals pollution or habitat degradation, making them essential for monitoring water quality.In addition to their ecological importance, caddisflies (毛虫) have also captured the interest of researchers and hobbyists alike. Many people enjoy collecting and studying these insects, fascinated by their unique adaptations and behaviors. Fly fishermen often imitate the appearance of caddisflies (毛虫) when crafting artificial flies, as these insects are a popular food source for many fish species.Overall, caddisflies (毛虫) are a testament to the complexity and beauty of nature. Their role in the ecosystem, combined with their unique life cycle and adaptations, makes them an essential subject of study for entomologists and ecologists. As we continue to explore and understand the natural world, it is crucial to recognize the importance of all its inhabitants, including the often-overlooked caddisflies (毛虫). Protecting their habitats and ensuring clean water sources will help maintain the delicate balance of our ecosystems and preserve the rich biodiversity that sustains life on Earth.

毛虫是一种迷人的昆虫，属于Trichoptera目。这些小生物主要生活在淡水栖息地附近，如河流、溪流和湖泊。它们在生态系统中扮演着重要的角色，尤其是在水生食物链中。毛虫的幼虫以其独特的能力而闻名，它们能够用周围环境中的材料（包括卵石、树枝甚至植物残骸）构建保护性外壳。这种行为不仅为它们提供了掩护，以防捕食者，还帮助它们在周围环境中伪装。当我在最近一次访问当地溪流时观察到这些昆虫时，我被它们的多样性所震撼。全球有超过14,000种毛虫，每一种都表现出独特的特征和适应性。有些物种以其复杂的外壳而闻名，这些外壳看起来像微型艺术品。其他物种则发展出专门的进食机制，使它们能够在各种水生条件下生存。毛虫的生命周期同样引人入胜。它们经历完全变态，从水中或附近产下的卵开始。孵化后，幼虫开始它们的旅程，通常在水生环境中度过几个月到数年，然后进入蛹期。这个阶段至关重要，因为它使它们能够转变为成虫，这些成虫从水中出现以交配并产卵，继续循环。毛虫最显著的一个方面是它们对环境变化的敏感性。它们被视为生物指示物，这意味着它们的存在或缺失可以提供有关水生生态系统健康的宝贵信息。毛虫种群的下降通常意味着污染或栖息地退化，这使得它们在监测水质方面至关重要。除了生态重要性之外，毛虫也吸引了研究人员和爱好者的兴趣。许多人喜欢收集和研究这些昆虫，因其独特的适应性和行为而着迷。钓鱼者在制作人工饵时常常模仿毛虫的外观，因为这些昆虫是许多鱼类物种的热门食物来源。总的来说，毛虫是自然界复杂性和美丽的证明。它们在生态系统中的角色，加上它们独特的生命周期和适应性，使它们成为昆虫学家和生态学研究的重要对象。在我们继续探索和理解自然世界的过程中，认识到所有生物的价值，包括那些常被忽视的毛虫，至关重要。保护它们的栖息地并确保清洁的水源将有助于维持我们生态系统的微妙平衡，并保护维持地球生命的丰富生物多样性。