Jim

I was assuming female due to the mandible size. From what I understand that is how you tell sex of some beetles.

Also, for some reason, I seem to remember this specimen making some type of buzzing or hissing noise but it could've been another beetle that I am going to submit in a while.

is a more common sex determinant in beetles, especially longhorns. That's because it's typically the male's job to find the female by detecting pheromones she releases, so he needs more sniffing surface area on his antennae. In some species the difference is radical.

Mandible size differences are seen in species where males battle over females or where the male needs big mandibles to grasp the female.

Many longhorned beetles do hiss, especially if you try to handle them.

Okay, I just looked at the red oak borer I posted and I think you are right about the sex, but based on antennal length. I also commented that my beetle stridulated (hissed).

I've moved your image to the species page in the guide.