Bitter winter may prove to be a powerful pesticide. Across the country, destructive pests are dropping dead, including the hemlock woolly adelgid.
Bitter winter may prove to be a powerful pesticide. Across the country, destructive pests are dropping dead, including the hemlock woolly adelgid. U.S. Forest Service
Bitter winter may prove to be a powerful pesticide. Across the country, destructive pests are dropping dead, including the hemlock woolly adelgid. U.S. Forest Service

Polar vortex may prove to be a powerful pesticide

March 03, 2014 05:15 PM

UPDATED March 03, 2014 05:18 PM

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