The cottonwood borer (Plectrodera scalator) is a species of longhorn beetle found in the United States east of the Rocky Mountains that feeds on cottonwood trees. [3] It is one of the largest insects in North America, with lengths reaching 40 millimetres (1.6 …

Common Name: Cottonwood borer Scientific Name: Plectrodera scalator Fabricius Order: Coleoptera. Description: Adult beetles can be found on and around host plants during the summer. They are large (1 1/4 inch long), robust longhorned beetles with black antennae as long or longer than the body.

The cottonwood borer is a common wood borer of cottonwood and poplars and infests the bases and roots of living trees. The insect is widely distributed throughout the eastern United States and the Midwest; however, it is most common in the Great Plains from Texas to South Dakota and throughout the Mississippi River Valley.

Sep 3, 2023 · The Cottonwood Borer is a large black and white longhorn beetle that can grow up to nearly 2 inches in length. Known to primarily infest cottonwood trees, these pests also target poplars and willows, causing significant damage to their hosts.

The cottonwood borer is a member of the long-horned beetle family, the Cerambycidae. It is the largest member of that family found on the Great Plains and is indeed one of the largest insects found in North America - up to 40mm long and 12mm wide.

Mar 12, 2021 · Cottonwood borer beetle of the longhorn beetle family is indigenous to certain parts of the United States. It has a length and width of 40 mm and 12 mm, emerging as one of North America’s largest insects. They mostly feed on cottonwood trees, which, therefore, accounts for their name.

A page dedicated to understanding Cottonwood Borers, their hosts, symptoms, descriptions and control properties.

Jan 28, 2025 · The Cottonwood Borer is part of the Long-Horned Beetle family. It has extremely long antennae that grow to lengths beyond its own body. The beetle has a white face with black antennae. Its body is a creamy white or ivory color with …

Jul 23, 2023 · Larvae bore at the base of poplars, willows, and overwinter. Two or three years required to reach maturity. Larvae may girdle trees. Pupation occurs in chambers beneath bark. Adults are reported to browse on shoots of host trees, especially leaf-stems (petioles), and bark.

Cottonwood borer ( Plectrodera scalator) - a guide to its biology, damage, and control. U.S.D.A., Forest Service Research Paper, SO-157:1-10. Solomon, J.D. 1995.