Like most aquatic insects, mayflies moult as they grow.

像大多数水生昆虫一样，蜉蝣在成长过程中换羽。

The life cycle of mayflies consists of four stages: egg, nymph, subimago, and imago.

蜉蝣的生命周期由四个阶段组成：卵，蛹，亚成虫，成虫。

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。

At the end of that time, the team found higher populations of stoneflies, mayflies and caddis flies in the screened segments than in adjacent unscreened ones.

时间结束时，该研究小组发现在安置有滤网的河段中，石蝇，蜉蝣和毛翅蝇的数量远高于相邻的未安置滤网的河段。

Despite spinning webs of Spider-Man-like size and strength, the Darwin's bark spider USES them to feed mainly on small fry-insects such as mayflies and dragonflies, the team found.

研究小组发现，尽管这些蛛网有在强度和尺寸点像蜘蛛侠织出的蛛网，但是这些达尔文吠蛛只是用他们来捕食像蜉蝣和蜻蜓这样的小型飞行昆虫。