http://www.accuweather.com/en/features/trend/mayflies_swarm_mississippi_riv/30937631
nymphingmaniac Well-known member Joined Sep 1, 2010 Messages 1,165 Location State College Jul 23, 2014 #1 http://www.accuweather.com/en/features/trend/mayflies_swarm_mississippi_riv/30937631