mayflies

Massive Pile of Dead Mayflies Cover Bridge
An enormous pile of dead mayflies was spotted on a bridge in Columbia, Pennsylvania, on June 22, during the annual mayfly hatch.
This video, taken by Tom Johnson-Medland, shows the mountain of mayflies that died on the Veterans Memorial Bridge, on the Susquehanna River...
Prehistoric Insects Have Begun Showing up in Iowa
For those of us living near bodies of water, the warmer weather means it’s time for the annual swarm of Mayflies. They begin hatching in May and continue to do so throughout spring and summer. I saw my first one of the season on Friday morning in Waterloo, two blocks away f…