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Monochamus clamator is a long-horned beetle. The larva bores into dead and dying trees.
Spotted near Mazama, WA. Open pine and fir forest.
If sawyer beetles infect freshly cut pine logs, they can cause a 30–40% loss in value due to the tunnels their larvae bore. It's important to process logs within a few weeks of cutting or store them in water to minimize damage. Some species are known to transport phoretic Bursaphelenchus nematodes, including B. xylophilus which causes pine wilt disease.