Both the Fusarium dieback and Tea Shot Hole Borer were found on several backyard avocado (cv. Hass, Bacon, Fuerte, Nabal) trees in residential neighborhoods in South Gate, Downey and Pico Rivera, Los Angeles County, in February and March 2012.
To find out how both the fungus and beetle affect California avocados, symptoms to look for, and what to do if you find evidence of either on your trees, read the PEST ALERT from UC, Riverside. This information if especially important for Southern California residents right now.