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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
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Photos from the last gathering (Minnesota 2007)

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Photo#84624
Seen in Zion NP, Utah  October 2006.  Bug is about 2

Seen in Zion NP, Utah October 2006. Bug is about 2" long. Picture rotated 90 clockwise - Tremex
Zion National Park County, Utah, USA
October 13, 2006
Size: 2"

Check out
Siricidae - Horntails, while you wait for Eric to give you more details.

 
Nothing to add.
This is a species of Tremex, but not positive whether it is the pigeon horntail, T. columba. Western specimens of many insects tend to be more pale than eastern specimens.

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