Public benefit of biological control of insect herbivores in California urban forests

Wednesday, November 18, 2015
Exhibit Hall BC (Convention Center)
Timothy Paine , University of California-Riverside, Riverside, CA
Jocelyn G. Millar , Entomology, University of California, Riverside, CA
Lawrence M. Hanks , Department of Entomology, University of Illinois Urbana-Champaign, Urbana, IL
Juli Gould , PPQ-CPHST, USDA - APHIS - PPQ - CPHST, Buzzards Bay, MA
Kent M. Daane , Division of Insect Biology, University of California, Berkeley, CA
Biological control programs have been initiated against members of herbivore guilds feeding on three different tree populations.  The objective of the current analysis was to determine the return on investment from these biological control programs.   The analyses demonstrate both the tremendous value of urban street trees, and the benefits that stem from successful biological control programs aimed at preserving these trees.  Economic analyses such as this, which demonstrate the substantial rates of return, may play a key role in developing both grass-roots and governmental support for future urban biological control efforts.
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