Bugs withstand freezing temperaturesSubmitted: 01/22/2014

Karolina Buczek

MERRILL - Freezing cold temperatures affect everyone in the Northwoods.

Including some animals.

But insects can survive low temperatures with some help from the snow.
Snow is a great buffer for insects.

It keeps the ground underneath pretty warm.

And that allows a lot of insects to survive.

"Emerald Ash Borers, Gypsy Moths, Bark Beatles, all of those insects can over
winter underneath the typical snow line so low winter temperatures really won't
impact them," said Brian Schwingle, the Forest Health Specialist for the
Northern Region at the DNR.

Temperatures would have to stay very low for long periods of time, every single
year to make an impact on our forests.

Spring temperatures are likely to kill more bugs than frigid winter lows.

Warm weather in March or April can cause insects to hatch out.

If the cold weather comes back ,like we saw last year, the bugs will die.

"That cold, wet weather after that warm snap will kill a lot more insects than
for example minus 20 in January will kill," said Schwingle.

Even most non-native bugs will survive the winter.

Although some of its larvae won't hatch, enough will to keep the bug alive in
the area.

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