What's That Bug? does not endorse extermination

I was outside doing a little star gazing one night and when I went to look through my telescope I found this little guy just sitting on my eye piece. I’ve done a little investigation and I think maybe it’s an Asian Longhorned Beetle? Any idea what it could be? It was probably 1" long and it had huge antennae.
Thanks a bunch.
Chris

Dear Chris,
It looks more like a Banded Alder Borer (Rosalia funebris) to me. Borers are beetles characterized by extremely long antennae and the Banded Alder Borer has striped antennae like your photo. The larvae feed on wood, boring into the host plants. The Eucalyptus Long Horned Borer is an introduced pest in California which is reeking havoc on another Australian import, the eucalyptus tree.

What's That Bug? does not endorse extermination

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