frost

E. A. Goeldi

Despite several nights of frost in the past week, some Northern Wisconsin residents are still plagued by the telltale buzz of mosquitoes.  How does a mosquito survive in cold temperatures?

Common knowledge holds that once nighttime temperatures dip into the 30s, mosquito populations drop off.  But that didn’t seem to be happening last week.  Susan Paskewitz, a mosquito expert at the University of Wisconsin Madison, says it’s possible most of the still-active mosquitoes are newly formed.

Andrew Leahy

Cool temperatures Sunday night had cranberry growers in northern Wisconsin on frost alert. 

On a chilly night, cranberry bogs can run many degrees colder than the average air temperature on the ground.  Bob Winter runs Vilas Cranberry Company in Manitowish Waters.  He says the mercury would have dipped below freezing in the bogs, if he hadn't turned on water sprinklers to help keep the plants warm.