noun
EXAMPLES FROM CORPUS
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In lakes, crustaceans, molluscs, leeches and mayflies dwindle, although predators remain more numerous, feeding on alternative prey.
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The loch has some splendid fish and, in late June and early July, a wonderful mayfly hatch.
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The nymphs, or first larval stages of mayflies, are also adapted to very particular conditions.
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The other main type of life-cycle is followed by insects such as the aphids, grasshoppers, dragonflies and mayflies.
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There were squirming, naked mayfly nymphs that had always been hidden before.
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This is the day in the life of the mayfly .
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Yet the return of the mayflies is no longer as inevitable as the return of May.