What's That Bug? does not endorse extermination

Can you name my bug?
My nephew came inside and said he had a surprise, so we went outside to see what the fuss was about. We live in a little town in western Colorado. Rifle is near a mile above sea level. Our home is about one mile from the Colorado River on the I-70 corridor. The insects was found on a dead branch on our hundred year old maple tree. I hope this helps with the ID. Thanks for the help!
Brandon

Hi Brandon,
This is a Pigeon Horntail, Tremex columba. Pigeon Horntails are sometimes called Wood Wasps and are grouped along with Sawflies in an unclassified taxonomic group known as Symphyta. The wood boring larvae of Pigeon Horntails comprise the primary food of larval Giant Ichneumons in the genus Megarhyssa.

What's That Bug? does not endorse extermination

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