What's That Bug? does not endorse extermination

what the heck are these?
Mr. Bugman.
My son and I were in pasadena,calif and we saw on a utility pole about 5 of these very scary looking bugs.. In one picture these bugs were fighting head to head and they even wrestled on the ground. What are these bugs and have you ever seen anything like these before?
thanks kayla and jason

Hi Kayla and Jason,
Even though your image is blurry, the distinctive markings of the Banded Alder Borer allow for instant identification. The two male Banded Alder Borers in your photo are battling over territory and a mate.

What's That Bug? does not endorse extermination

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