They’re back! Mayflies invade Northeast Ohio, again — but why?

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

CLEVELAND, Ohio -- They're back!

Mother Nature has brought back a yearly occurrence in Northeast Ohio -- mayflies.

Here at Fox 8 News on Dick Goddard Way, they covered our driveway, parking lot and news trucks Monday morning.

The good news? They don't bite, and they won't be around much more than a week or two. They also are a sign of a healthy Lake Erie.

Click the video players to learn more.

Google Map for coordinates 41.499320 by -81.694361.

Notice: you are using an outdated browser. Microsoft does not recommend using IE as your default browser. Some features on this website, like video and images, might not work properly. For the best experience, please upgrade your browser.