the.com/mayfly

Lives a single day, mouthless and unbothered, just to swarm and die in love.

means A delicate, short-lived flying insect of the order Ephemeroptera, whose adults often live only a day or less, just long enough to mate.

from A plain compound of "May" and "fly," named for the late-spring season when great clouds of these insects emerge over rivers and lakes. The scientific name, Ephemeroptera, leans on Greek ephēmeros — "lasting only a day" — the very word that gives us "ephemeral," both pointing at the same brief, glittering life.

no mouth
Adults can't eat; they exist only to mate
lifespan
Some live just five minutes as adults
ancient lineage
Flying Earth's skies for 300 million years
mass swarms
Show up on weather radar as living clouds
two adult stages
Only insect to molt after gaining wings
for instance

hexagenia limbata — north american burrowing mayfly, largest species in us with 1-inch body length

ephemera danica — european mayfly species, iconic to uk and ireland fly fishing since 19th century

baetis rhodani — small dark mayfly common in cold european streams, key to trout diet year-round

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