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BeetlesAlder bug
Can you tell me what this is? It came out of some furniture my boss bought out in Oregon last fall. We just found 3 holes with sawdust, and one beetle hanging out on the arm of the chair.
Thanks,
Mark
Hi Mark,
We are guessing the subject line “Alder Bug” refers to the type of wood on the furniture. The antennae on your insect look like those of the Banded Alder Borer, Rosalia funebris, but the coloration seems slightly off. It is difficult to be certain because of your camera angle. It is also possible that a newly metamorphosed insect might have coloration not consistant with older specimens. We will ask Eric Eaton for his opinion. Here is Eric’s speedy response: ” I believe the insect in question is possibly Synaphaeta guexi, the Spotted Tree Borer, found from BC to California, curiously recorded from oak, poplar, maple, and willow, but apparently not alder:-) I suspect it is a generalist and probably attacks alder as well. I’m not certain, but that is my best guess. Neat insect.” Several days later Eric wrote back: ” Oh, I just mentioned that Art Evans had confirmed my species ID of the longhorned beetle from the Pacific Northwest. It’s all good. Eric “
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