The annual mayfly hatch is underway along the Mississippi River, leaving roads, buildings and lights blanketed with insects ...

CATAWBA ISLAND – The annual mayfly hatch on Lake Erie may be affecting the walleye catch this week. The mayfly hatch happens ...

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

Kevin Skow with the National Weather Service on the possible upcoming mayfly hatch in Wisconsin.

It's an annual invasion towns are bracing for along the Mississippi River — mayflies are about to hatch.

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

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

Officials are bracing for hatches of mayflies along the Mississippi River in coming weeks. The National Weather Service has monitored mayfly hatches along the Mississippi River using radar for ...

Add Yahoo as a preferred source to see more of our stories on Google. For two weeks at the end of May and the beginning of June, the Hampshire chalk streams become the centre of a peculiar pilgrimage ...

For two weeks at the end of May and the beginning of June, the Hampshire chalk streams become the centre of a peculiar pilgrimage - Chris Gorman/Big Ladder The mayfly hatch is one of those annual ...

(FOX 9) - Mayfly hatches are expected soon in the coming months along the Mississippi River, and it has the Minnesota Department of Transportation bracing for the potential impact. MnDOT has already ...