A dayfly, also known as the mayfly, is an insect that is known for its short adult lifespan, often lasting only a day or two. They are characterized by their delicate wings and their appearance in large swarms near bodies of water. Despite their brief life as adults, mayflies spend a significant portion of their life cycle as aquatic nymphs before emerging as adults to reproduce. They play an important role in freshwater ecosystems, serving as a food source for various organisms and contributing to nutrient cycling.

“dayfly”的英语定义和含义

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