With Field Identification Walk and Management Demonstration
During this classroom and in the field workshop you will learn the key factors to understand invasive shothole borer (ISHB). Partnering with the City of San Jose, where the initial infestation was identified in Northern California, you will have the opportunity to see trees in various stages of the insect’s infestation. In addition, you will see multiple management tools to improve tree health and direct management of the invasive shothole borer.
Date: Thursday, May 15, 2025
Time: 8 AM – 12 PM (PDT)
Hosts: City of San Jose and Rainbow Ecoscience
Location: Roosevelt Community Center, 901 East Santa Clara St., San Jose, CA 95116
Additional Details
- ISA CEUs: Pending
- Coffee and donuts provided
Registration
Agenda
8:00 – 8:30 AM: Registration, coffee and snacks
8:30 – 8:45 AM: Welcome, Introduction of Speakers
Chris Haugen, Joe Lockyer, Sara Davis (City of San Jose) and Mark Frazier (City of San Jose)
8:45 – 9:45 AM: Overview of Invasive Shothole Borer
Chris Haugen
During this session you will learn the key factors making ISHB a potentially devastating pest for the urban and natural area tree canopy. In addition you will learn the life cycle, field identification, and history of this insect’s impact to Southern California. Finally, we’ll discuss the key components to managing tree health and targeted pesticide application considerations.
9:45 – 10:15 AM: City of San Jose ISHB Story and Future
Mark Frazier and Sara Davis of the City of San Jose
During this session you will learn the story of how ISHB was discovered in San Jose thru today’s current plan for managing the pest. Since being discovered in late 2024 the City has utilized their inventory of trees to determine the scope of the infestation. With an understanding of the potential impact to the cities tree canopy we have developed a plan to mitigate the pest. You will learn what decisions were made, how they were made, and what challenges and successes have been accomplished.
10:15 – 10:30 AM: Break and transition outdoors for field walk and demonstration
10:30 – 11:00 AM: Invasive shothole borer Field Tour
Mark Frazier and Chris Haugen
Roosevelt Park and the surrounding area provide the perfect field laboratory. During this pest and tree field walk you will be able to firsthand see host plants infested with invasive shothole borer. Leaving this session you will be confident in your ability to identify infested trees and determine scope infestation via the signs and symptoms.
11:00 – 11:45 AM: Demonstration of Tree Health Care Tools for Managing Tree Health and ISHB
Chris Haugen and Joe Lockyer
Leaving this session you will know the key factors to ensure treatment success with tree injection, soil injections, and tree healthcare management.
11:45 AM – 12:00 PM – Adjourn and CEUs
