Here are the links for more information about the Del Dios Habitat Protection League: www.DDHPL.org
If you have oak trees, or have been noticing oak trees doing poorly, it time to start learning about what you can do. Education, early detection and response is key to managing the health of the oak trees.
This leaflet link is the most current and definitive source on GSOB:
More information about prevention and control can be found at http://www.ddhpl.org/gsob
Del Dios Habitat Protection League