The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
I believe this is a verr young hellgrammite that just hasn't darkened to its regular color yet, but I'm not sure.
This insect was collected from unknown in Wisconsin on February 2nd, 2004 and added to Troutnut.com by Troutnut on January 25th, 2006.