Mayflies don't bite and adults only live for a day, but you don't want to get stuck in a swarm. Here's what to know about the mayfly insect.

Up and down the river, the mayfly hatch has been a problem. About 80 miles upriver from here, police in Trenton, Wis., say mayflies may have triggered a three-vehicle crash Sunday.

It’s almost mayfly season and Michigan has more than 100 species. The Monroe News asked David Lowenstein, ... answered 10 questions about the aquatic insect that resembles a dragonfly.

Mayfly corpses often pile up on roads and sidewalks, where they break down into a fatty, slippery glaze that can cause wipeouts for pedestrians and car accidents for drivers.

Because mayfly season is dependent on water temperature, here are the average water temperatures of the Great Lakes, as of June 10, according to Seatemperature.com: Lake Michigan: 49.5 degrees ...