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mayflies

  • plural
    of mayfly.
    mayfly
    noun
    any insect of the order Ephemeroptera, having delicate, membranous wings with the front pair much larger than the rear and having an aquatic larval stage and a terrestrial adult stage usually lasting less than two days.

Example Sentences

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The plump mayflies known as green drakes were emerging on the water.

From The Wall Street Journal ● Jul. 5, 2026

Horsehair worms are born in water and use aquatic insects like mayflies to hitchhike to dry land, where they sit tight until they are eaten by terrestrial insects such as crickets or mantises.

From Science Daily ● Oct. 19, 2023

The American Southeast has the greatest aquatic biodiversity of anywhere in the temperate world, with an amazing array of fish, mussels, aquatic snails, crawdads and aquatic insects, like mayflies and dragonflies.

From Seattle Times ● Oct. 21, 2022

Political tracts, bandwagon novels, celebrity biographies, self-help guides — these are the mayflies of publishing.

From Washington Post ● May 25, 2022

There would be no large stoneflies, no mayflies, no caddis flies.

From "Silent Spring" by Rachel Carson

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