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Posted Tue Sep 4 2012: from Discover:
The Pheromone That Could Save Pine Forests From Oblivion
...Until recently there was virtually nothing landowners could do to protect even small parcels of forest from bark beetles. But after a half century of detective work, a small group of scientists has come up with a novel and surprisingly effective means of defense: hijacking the beetles' sense of smell. Like ants and honeybees, beetles communicate via scented chemicals called pheromones, one of which warns the insects to stay away from particular trees. Now researchers are dispersing this pheromone, called verbenone, placing a molecular shield over thousands of acres of hardy green pines in western ski resorts, nature reserves, and campgrounds...
[Read more stories about: forests, invasive species, technical cleverness]
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'Doc Jim says:
The beetles may consider this ... unfair.

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