he Columbia-Wrightsville area isn't the only place that's dealing with or has dealt with swarms of mayflies or similar insects in recent weeks and years.
In some places the swarms are so large they show up on National Weather Service radar imagery.
he Columbia-Wrightsville area isn't the only place that's dealing with or has dealt with swarms of mayflies or similar insects in recent weeks and years.
In some places the swarms are so large they show up on National Weather Service radar imagery.
Columbia Spy 