Extreme cold could kill invasive species

(WQOW) — The extreme cold could help kill a damaging invasive species.

When temperatures hit 20 below zero, larvae of the emerald ash borer will start to die, according to Eau Claire Forestry Supervisor Matthew Staudenmaier.

The beetle eats tissues under the bark of ash trees, eventually killing them.

“If you kill off a whole bunch of the larvae this year, that don’t necessarily turn into adult beetles, you know like in the summer, and then do not necessarily lay their eggs that following summer, you’ll have less larvae into the next year after that so it will act as a pause,” Staudenmaier said.

But there’s a flip side.

Staudenmaier says the bugs that survive could become more tolerant to the cold and eventually create more resilient offspring.

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