Small Streams

Many of these have good BWO activity. This includes the Fall, Teton, Portneuf, and Warm rivers, and Birch, Stump, Tincup, and Beaver creeks. If the BWOs are not active on any small waters, small beadhead nymphs will produce.
Fly Patterns to use:
Brook’s Sprout-Baetis
Egan’s Silver Bullet-Baetis
Antonio’s Adult BWO