By Shaun McKinnon
The Arizona Republic Researchers at Northern Arizona University think they may have found an environmentally safe and readily available weapon against the tree-eating armies of bark beetles that have chewed through millions of acres of the pine forests in the West.
It is, with apologies to the boys from Liverpool, the music of the beetles.
NAU's School of Forestry was on the hunt for ways to fight the marauding bugs, which have killed nearly 80 million ponderosa, pinyon and lodgepole pines in Arizona and New Mexico and tens of millions more across the West over the past decade.
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