UCANR

Valley Oak

Quercus lobata

 

Native reproductive host

Symptoms: staining

Other pests: Valley oak overview on UC IPM website

Resources: Valley oak profile on USDA website

 

PSHB symptoms can be difficult to see on valley oak bark. Source: John Kabashima, UCCE
PSHB symptoms can be difficult to see on valley oak bark. Source: John Kabashima, UCCE
Staining from ISHB activity on heavily infested valley oak branches
 
 
Source URL: https://www.ucanr.edu/site/invasive-shothole-borers/valley-oak