Tea time may be right time for West's pines

GRANTS PASS, Ore. -- Would a dose of herbal tea slow the march of beetles killing millions of acres of pine trees across the West?

Sort of.

But instead of brewing up a cup, U.S. Forest Service scientists found that sprinkling tiny flakes containing the pheromone verbenone over lodgepole pine forests cut the number of trees attacked by bark beetles by about two-thirds.