description Cottonwood Borer Overview
The cottonwood borer, Plectrodera scalator, is a large North American longhorn beetle marked by a bold black-and-cream pattern and very long antennae. Its larvae develop in the roots and lower trunks of cottonwoods, poplars, and willows, where their tunneling can weaken young or stressed trees. Adults feed on bark and tender shoots, and the species is principally relevant to entomologists, naturalists, and people managing susceptible trees in its range.
help Cottonwood Borer FAQ
What does the Cottonwood Borer look like?
The Cottonwood Borer is a large, distinct longhorn beetle known for its striking black and white pattern. This coarse, checkered coloring helps it blend in with the bark of its host trees.
What trees are affected by the Cottonwood Borer?
As their name implies, these beetles primarily infest cottonwood trees, though they also target willows and poplars. The larvae bore into the roots and base of the tree, which can cause significant structural damage.
Where is the Cottonwood Borer found?
This beetle species is found throughout the United States, particularly in areas where cottonwood and willow trees are abundant. They thrive in riparian habitats and forests near riverbanks.
How much damage can the Cottonwood Borer do?
The Cottonwood Borer can be highly destructive, especially to young or vulnerable trees. The larvae tunnel through the lower trunk and roots, which can weaken or kill the host tree over time.
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