UCANR

Red Willow

Salix laevigata

Native reproductive host

Symptoms: staining, frass

Other pests: UC IPM

Resources: USDA Profile

Staining and frass around a PSHB entry-hole on red willow. Source: Monica Dimson, UCCE
Staining and frass around a PSHB entry-hole on red willow. Source: Monica Dimson, UCCE
Source URL: https://www.ucanr.edu/site/invasive-shothole-borers/red-willow