The sub-freezing temperatures breaking records across the country have one group of observers cheering: biologists, many of whom hope that a polar vortex…Read More »
or two will help slow the march of invasive species. The gypsy moth (Lymantria dispar) feeds on the leaves of North American hardwood trees and is responsible for destroying many hardwood forests. Low temperatures, however, are lethal to the moths' larvae. Less «
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Emerald ash borer
The emerald ash borer (Agrilus planipennis) has several defenses against cold weather, but even it will succumb to temperatures of minus-30 degrees Fahrenheit (-34 C).