Invasive Shothole Borers

Valley Oak

Quercus lobata

 

Native reproductive host

Symptoms: staining

Other pests: UC IPM

Resources: USDA Profile

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

PSHB symptoms can be difficult to see on valley oak bark. Source: John Kabashima, UCCE
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Image removed.