Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
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.