Invasive Shothole Borers

White Alder

Alnus rhombifolia

 

Native reproductive host

Symptoms: staining

Other pests: UC IPM

Resources: USDA Profile

Staining and PSHB entry-hole on white alder. Source: Akif Eskalen, UCANR
Staining and PSHB entry-hole on white alder. Source: Akif Eskalen, UCANR

Staining and PSHB entry-hole on white alder. Source: Akif Eskalen, UCANR
Image removed.
Image removed.