Chilly reception

One helpful side effect of the recent escaped polar vortex: the potential to check invasive insect species in the mid-Atlantic, Northeast, and northern tier states:

“The lethal temperature for the woolly adelgid is minus 4 or 5 degrees Fahrenheit,” said Richard S. Cowles, a scientist with the Connecticut Agricultural Experiment Station, a state research center. “I was cheering a couple of days ago because most of the adelgids will be dying from the temperatures we saw.”

The Morning News