CLEVELAND, Ohio — The mayflies are back, turning bright lights along Lake Erie into magnets for swarms thick enough to cover ...

Mayflies swarming Lake Erie towns are causing lights to be turned off and affecting local fishing and tournaments.

On a recent Saturday in June, Lorain residents and businesses located half a mile from Lake Erie, were covered with the ...

With mayfly hatches expected along the Mississippi River in the coming weeks, officials are preparing for swarms that often ...

The Minnesota Department of Transportation says an exploding population of Mayflys could cause serious trouble for drivers in southeast Minnesota.

The lights will go out on a bridge over the Mississippi River in Winona, Minnesota, for the next few weeks to squelch the impact of a mayfly hatch. The Minnesota Department of Transportation said the ...

WINONA, Minn. — The Mississippi River is a bit darker at night in the River Valley region currently. Mayfly hatching season has begun, and the Minnesota Department of Transportation recently turned ...