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The goldspotted oak borer (GSOB) is an invasive beetle that poses a threat to California’s oaks. It has killed tens of thousands of mature oak trees throughout San Diego County, and it is now present in natural and residential areas of Orange, Los Angeles, Riverside, and San Bernardino Counties. The beetles can fly and disperse from tree to tree within an infested area, but can also can travel long distances hitching a ride in infested firewood. Mature oak trees are GSOB’s preferred host, which makes their impact more noticeable and devastating. In this webinar, we’ll show you how to identify the beetles and the signs and symptoms of a GSOB infestation. We’ll review the best management practices for this pest, the pros and cons of each management option, and how to include the integrated pest management program that suits each land manager/homeowner’s needs.
1. Recognize main symptoms of GSOB infestation
2. Understand beetle's biology and how it relates to effectiveness of current management options
3. Learn different options to manage down wood in order to prevent the spread of this pest
Beatriz Nobua-Behrmann, Ph.D.
Dr. Beatriz Nobua-Behrmann's research background is in insect-plant interactions. She got her PhD in insect ecology from the University of Buenos Aires, in Argentina.
Dr. Nobua Behrmann joined the University of California Cooperative Extension in 2017 as a Research Associate and managed the invasive insect pests project until she became an advisor.
Currently, Dr. Nobua-Behrmann is the Urban Forestry and Natural Resources Advisor for the University of California Cooperative Extension, serving the counties of Los Angeles and Orange. Her program is focused on the management of urban forest pests, like the Invasive Shot-Hole Borer beetles and the Gold-Spotted Oak Borer.