Los Angeles County
Contacts and Resources
To report firewood or trees suspected of being infested with GSOB:
Call the GSOB Hotline (951) 659-8328 or use this online form.
To request GSOB information materials and handouts:
Contact Annika Nabors: ajnabors@ucanr.edu.
GSOB outbreaks have been detected in several areas of northern Los Angeles County, including the Green Valley area and other unincorporated communities (see zone of infestation map here).
Find a pest control professional or arborist in your area.
For other GSOB questions, please contact:
Ron M. Durbin MBA, MLA, MSML, RPF
Acting Assistant Chief
County of Los Angeles Fire Department
Prevention Services Bureau/Forestry Division/Natural Resources Section
(818)890-5758
County of Los Angeles Fire Department
Prevention Services Bureau/Forestry Division/Natural Resources Section
(818)890-5758
Rosi Dagit
Senior Conservation Biologist and Certified Arborist
RDC of the Santa Monica Mountains
818-597-8627x106
