A new study on mayflies of the genus Ecdyonurus illustrates just how multifaceted and surprising reproductive behavior in ...

Add Yahoo as a preferred source to see more of our stories on Google. Lake flies swarm near the Lake Winnebago public boat landing on State Park Rd. Tuesday, May 12, 2020 in Sherwood, Wis. Wm.

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.

Mayflies emerge when deep water temperatures reach 68 degrees, which hasn't happened yet in the Great Lakes. Residents can mitigate mayfly presence by using yellow light bulbs and sealing windows and ...