Nate's stimulator nymph
body... amber v-rib
tail, legs and back...pheasent tail
abdomin.... BWO antron dubbing
this is a good stimulator pattern that works well for me during any mayfly hatch. I use a heavy caddis hook usually a 20-16.
Change the dubbing to cream and it is a great pmd/sulfur pattern. By the way the sdubject is Nate's fly but I have stolen every part from some other pattern I have seen so it isn't anything new. The one is the picture is a 18