UCANR

Cottonwood & Poplar

Populus spp.

 

Native reproductive hosts:
Fremont cottonwood, Populus fremontii
Black cottonwood, Populus trichocarpa

Reproductive host:
Lombardy/Black poplar, Populus nigra (KSHB)

Symptoms: staining, frass

Other pests: Poplar and cottonwood overview on UC IPM website

Resources: Poplar and cottonwood profiles on USDA website - Fremont cottonwood, Lombardy/Black poplar, Black cottonwood

 

Staining on Fremont cottonwood from PSHB activity. Source: Monica Dimson, UCCE
Staining on Fremont cottonwood from PSHB activity. Source: Monica Dimson, UCCE
Image
Staining on Fremont cottonwood due to ISHB attacks
 

Source URL: https://www.ucanr.edu/site/invasive-shothole-borers/cottonwood-poplar