SABULA, IA has a healthy population of mayflies. A mayfly swarm shut down a bridge into Illinois. Motorists stopped on the bridge accumulated mayflies up to the headlights. The police called out the snow mayfly plows
Mayflies are a bioindicator species for water quality. Apparently, the water quality there is good enough to produce an epic mayfly swarm.
Jonathan Neal is a retired Associate Professor of Entomology at Purdue University and author of the textbook, Living With Insects (2010).
This blog is a forum to communicate about the intersection of insects with people and policy. This is a personal blog.
The opinions and materials posted here are those of the author and are in no way connected with those of my employer.