- Author: Iqbal Pittalwala
Published on: August 17, 2012
The “Invasive Ambrosia Beetle Public Meeting” that took place on Aug. 14 in Riverside, Calif., turned the spotlight on a beetle named “Polyphagous shot hole borer.” The PSHB has spread in Los Angeles and Orange counties. Both the beetle and a fungus it spreads were found on several backyard avocado trees in residential neighborhoods in these counties earlier this year. The beetle is responsible for the death of box elder trees in Long Beach in 2010. The box elder is one of the best hosts for the PSHB.
The beetle is very small and hard to see. Females are black in color and 0.07-0.1 inch long. The beetle burrows into the wood, leaving a hole (there are often many entry holes on an infested...
Tags: Polyphagous shot hole borer (1)
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