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FAIRFAX, Va. — The recent polar vortex may have killed a significant number of invasive species of insects, including the majority of stink bugs that weren’t able to find shelter.

Accuweather reports that after prolonged blasts of arctic air in January 2014, a study out of Virginia Tech found that the extreme cold may have killed off 95 percent of stinkbugs at that time.

“While most insects will be equipped to survive a short period of very cold weather, like the recent polar vortex, it’s likely some will die from this extreme weather event,” said Dr. Brittany Campbell, an entomologist with the NPMA, according to AccuWeather. 

Other invasive species, including the emerald ash borer and southern pine beetle, likely also may not survive.

However, cockroaches and bed bug populations will likely not be affected. AccuWeather reports that insects that spend the majority of their time indoors or in human habitats will be less impacted.

Researchers likely won’t know for sure the effects of the Polar Vortex until spring.

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