Invasive Shot Hole Borers
Invasive Shot Hole Borers
Invasive Shot Hole Borers
University of California
Invasive Shot Hole Borers


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: See UC IPM

Fremont cottonwood - USDA Profile
Lombardy/Black poplar - USDA profile
Black cottonwood - USDA Forest Service profile


» View Reproductive Host List

» View Symptoms and Damage

Fremont cottonwood - Dimson4

Staining on Fremont cottonwood from PSHB activity (Monica Dimson / UC Cooperative Extension)

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