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: UC IPM

Resources: USDA Profiles - 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

 

 
 
Staining on Fremont cottonwood from PSHB activity. Source: Monica Dimson, UCCE
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Source URL: https://class.ucanr.edu/site/invasive-shothole-borers/cottonwood-poplar