What happens to the mayflies when they... ?

That’s like, a lot of mayflies.

University of Toledo professor explains why mayflies are a good thing

Mayfly Life Cycle Explained: The Insect That Lives for Just One Day

Mayflies swarm ODW's Put-in-Bay Aquatic Visitor Center

The Quick Guide to Mayflies! [DIY Pest Control]

This Florida Mayfly Swarm Looks Like a Plague!

Mayflies take over Festival of the Fish

Mayfly mayhem hits Ohio

Mayflies swarm WKYC Studios

This Extended Body Mayfly Looks Hard… But It Really Isn’t

Mayfly Day: Navigating Summer Swarms Near Taco Bell

A swarm of mayflies took over an aquatic visitor center in Ohio. | mayflies

Incredible Midges and Mayflies Swarms on Kelley’s Island, Ohio

Exploring the Unique Life Cycle of Mayflies and Cicadas

Mayflies Take Over Cedar Point Amusement Park

Mayflies Swarm - Unbelievable Mayfly Infestation!

Efêmera: A Beleza das Mayflies na Natureza