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Project Noah Nature School
Approximately 2 inches in length.
Found on a Douglas fir tree.
Spotted on Aug 17, 2014
Submitted on Aug 17, 2014
1 Comment
Sawfly (Hymenoptera) in the family Siricidae.
Common name horntails.
Try this one
http://www.whatsthatbug.com/2011/08/25/h...
Also this guide - pictures on p.60, 61
http://www.fs.fed.us/foresthealth/techno...