Forest & Grassland Health

Snow-capped mountains against a blue sky with tree tops in the foreground.

Forest Health Protection (FHP) is responsible for technical assistance for forest health activities and monitoring and reporting on the health of all forest lands in the Pacific Southwest Region.

We work in partnership with the National Forest System, other federal agencies, states, Native American tribes and the private sector, to provide assistance, technical expertise, and forest health information.

FHP has specialists in: forest pathology; forest entomology; pesticide use and safety; remote sensing and geographic information systems.

FHP provides assistance in the following areas:



Goldspotted Oak Borer in Southern California


The goldspotted oak borer (GSOB) Agrilus coxalis (Coleoptera: Buprestidae), is a wood borer native to southeastern Arizona, southern Mexico, and northern Guatemala. It is believed to be introduced into California and was first collected in San Diego County in 2004. In 2008, GSOB was linked to continuing oak mortality occurring in San Diego County since 2002 across all land ownerships. It is now also found in Riverside County.

Firewood Movement: Buy It Where You Burn It!!

Logs on fire.

The movement of firewood can be a source of introduction and dissemination of invasive forest insects and diseases into and around the United States. Pests such as the Asian longhorned...


Invasives Caught Entering the State!!

Invasive plants and insects stopped at CDFA Border Stations

Success Stories & Recent Publications

Forest Health Protection-funded Project Success Stories and recent publications.


Hot Issues!!

Important Forest Health Protection issues in Region 5 include

National Invasive Species Program Award!

The postcard shows a pile of burning logs with a bug crawling out of it.

Members of the Pacific Southwest Region Forest Health Protection (FHP) staff were granted the national Excellence in Invasive Species Prevention Award for 2011...