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.
Your stonefly nymph looks like Paragnetina media. This is one of the most common large perlids in much of the East and Midwest. The adults are dark-winged with yellowish bellies. They look like this: http://bugguide.net/node/view/404851/bgimage
Cstiles on Jun 13, 2010June 13th, 2010, 8:56 am EDT
Thanks for the ID. The Schroon is so loaded with different types of stone flies, It's hard to keep track of all of them. The big goldens (Acroneuria carolinensis) are predominate. I estimate that 80% of the trout bug volume is made up of caddis and stones. Mayflies and ants making up the final 20%.