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Stop Polyphagous Shot Hole Borer with TREE-äge®

Polyphagous shot hole borer (PSHB) is an exotic ambrosia beetle that was first detected in 2003 in Southern California and only recently was found to be killing several species of trees. The “ambrosia” name refers to a symbiotic fungus that is carried by the female in special organs in her mouth parts. The fungus is […]

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