Exotic Pest Reporting
James Solomon, USDA Forest Service, Bugwood.org
Poplar borer (Saperda calcarata) is an insect pest. It was first detected in Colorado in 1984.
Poplar borers are a serious pest. This roundheaded borer is the larva of a long-horned beetle, Saperda calcarata, that primarily attacks aspen but can also damage poplar, cottonwood and willow trees. .