Invasive Shothole Borers

Coast Live Oak

Quercus agrifolia

Native reproductive host

Symptoms: staining

Other pests: Coast live oak overview onUC IPM website

Resources: Coast live oak profile on USDA website

Wet staining on Coast live oak from PSHB boring. Source: Akif Eskalen, UCANR

Staining on branches of Coast live oak due to ISHB infestation — Staining on Coast live oak due to ISHB infestation