Hundreds of mayflies coat an Ohio visitor center, signaling clean water in Lake Erie

Hundreds of mayflies coat an Ohio visitor center, signaling clean water in Lake Erie

Tourists heading to Put-in-Bay, Ohio, might expect lake views and summer crowds rather than a doorway coated with insects. However, the area's Aquatic Visitor Center is completely covered in mayflies, which the Ohio Division of Wildlife touts as a good thing, WHIO-TV reports. What happened? As the organization noted in a Facebook post with video of the scene, Northern Ohio is in the middle of mayfly season. This is the time when these short-liv…