Seminar 13: Polyphagous Shot Hole Borer

Seminar 13 was given on the Polyphagus Shot Hole Borer. This is a  pest that was originally identified in urban areas of Los Angeles around 2010. Over time is has begun to migrate to the avocado growing areas.

This seminar was given in conjunction with the California Avocado Commission (CAC) and covered the current outbreaks in California as well as outbreaks that began several years earlier in the avocado groves of Israel.

Topics included:

  • Polyphagous Shot Hole Borer

The following presentations were given at the seminar by experts in their fields:



Speakers include Ken Melban, VP of Industry Affairs at CAC and Dr. Tim Spann, Research Program Director for CAC both give presentations on the current California outbreak and up-to-date information on how the Commission is addressing the challenge.


Stanley Freeman and Zvi Mendel from the Volcani Research Center in Israel both gave presentations on the shot hole borer outbreak in that country.

Stanley Freeman addresses the problem from the point of view of a Plant Pathologist.

Zvi Mendel addresses the entomological similarities and differences between the pests in Israel and  those in California.



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