Hook:	(M)  79580 + Lead Weight
Size:	2-8
Thread:	Black 6/0
Tail:	Black Goose Biots
Body:	Black Wool Yarn
Rib:	Copper Wire
Hackle:	Grizzly & Dark Brown Dyed  Grizzly Saddle
Gills :	White Ostrich Herl

Notes on tying:
1. Wrap 10 wraps of 0.20 lead wire behind the eye.
2. Tie in goose biots for the tail.
3. Wrap body with wool yarn.
4. Take two turns of each of the grizzly saddle and grizzly dyed dark brown saddle hackle.
5. Wrap white ostrich herl at the base of hackle for the gill.
7. Whip finish head.

 This is stonefly nymph pattern developed by Charles Brooks that is listed in Fly Patterns of Yellowstone by Craig Mathews.  Fish this fly with a dead drift for trout, salmon and steelhead.

Mark Andracki 105 12th Ave Coralville, IA 52241