Ken Drouillard

Dr. Kenneth Drouillard, professor at the University of Windsor's Great Lakes Institute for Environmental Research, explains why the emergence of mayflies can be an indication of lake health.Dr. Kenneth Drouillard, professor at the University of Windsor's Great Lakes Institute for Environmental Research, explains why the emergence of mayflies can be an indication of lake health.

UWindsor prof clears the air on mayflies

Most years, they rise from the water and blanket unsuspecting communities.

Children scream as their friends run in pursuit with one of these winged-insects pinched tight between their fingers.

But what are they exactly and should we be encouraged when some years produce seemingly record levels and others don’t?

Are they fishflies, June bugs, or mayflies?