SWARM

Warm Fall Weather Sending Ladybugs into Area Homes

The insects seek out local homes to find a place to shelter from the oncoming winter season

October 19, 2017

FARGO, N.D. — Our recent stretch of warm days has activated a swarm of ladybugs across the valley. The insects are looking for a place to ride out the winter months, and many are choosing local homes. The weather in October can shift quite a bit, even with a single day. The drastic swings in temperature are a signature of…

Dead Mayflies Pile Up in Welch, Minnesota

The swarm only lasts about 24 hours before the insects die

July 13, 2017

TJ Nelson,

WELCH, Minn. — Mayfly season has produced an unusual sight in Welch, Minnesota. Mounds of dead mayflies resembling piles of mulch littered the lock and dam on the Mississippi River. Every summer, millions of mayflies lay their eggs on the river in Minnesota and Wisconsin, creating a swarm that’s big enough to be seen on weather radar. The swarm only…