Ambrosia Beetle (PSHB) is Eating Southern California
By Ian Gray, BCMA, CTSP During my first week of work, in September 2016, as the new City Arborist in Claremont, California, my supervisor handed me some material about an invasive pest called the polyphagous shot hole borer (PSHB). The more I read and the more I investigated, the more alarmed I became. It also […]
