National Weather Service La Crosse, Wis

Mayfly Hatch Blankets Mississippi River Towns

Residents along the Mississippi River would rather do without this rite of summer, the annual mayfly hatch that fills the air with insects

 

READ MORE: http://www.usatoday.com/story/weather/2014/07/22/mayfly-hatch-swarm/12986551/?AID=4011243&PID=7102908&SID=skim33330X911623X8419866acdd63bd1f1060dc450b13c90