Swarm of Mayflies Invade Ohio
Mayflies are hatching and invading northeastern Ohio. The swarm was so dense that it was captured on the weather radar of WOIO on Wednesday. While residents may …
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This Swarm of Mayflies is Big Enough to Fool Weather Satellites
After two years of incubation, a swarm of mayflies rise from the bottom of the Mississippi River, like a biblical plague.
Mayflies show up on radar at Detroit
Tis the season This year, the mayfly hatch is so abundant near Detroit that the swarms can be seen on radar every evening.