While fishing the Owhyee River in Eastern Oregon we found ourselves in need of a productive emerger pattern. After a lot of research and field testing we found these Tungsten Split Case emergers to be the best. A great addition to your bead-head arsenal the added mass of the tungsten gets you deep in a hurry!
2 - BWO (size: 16)
2 - PMD (size: 18)
2 - Black (size:20)
Fish these as a dropper or in a nymphing rig with an indicator where-ever you see fish sipping from the surface.