Invasive Shothole Borers

Engelmann Oak

Quercus engelmannii

 

Reproductive host

Symptoms: staining

Other pests: UC IPM

Resources: USDA Profile

PSHB symptoms may be difficult to see on thick Engelmann oak bark. Source: Akif Eskalen, UCANR
PSHB symptoms may be difficult to see on thick Engelmann oak bark. Source: Akif Eskalen, UCANR