New pests threaten our native trees
Added July 15, 2015
To water or not to water….an oak. That's the question. If only Shakespeare could answer...
Added March 19, 2015
The reproductive host list for tree species affected by the polyphagous shot hole borer has topped...
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