New pests threaten our native trees
Added July 13, 2016
Ventura County is at the leading edge of the California polyphagous shot hole borer...
Added December 10, 2015
Overview: Beginning in 1979, there have been a series of symposia held every 5 to 7 years...
From the LA Times: Tree-killing bug invades Southern California, with no answer in sight
From the Pasadena Star News: Sierra Madre works to contain tree-killing beetle
New Beetle Threatens San Diego from CBS-8 San Diego