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/ biot / Black / Brown / Chenille / Grizzly / Red / Saddle /

Montana Stone

tied by Leaky Waders
Fly Type: Nymphs,
Target Species: Trout,
Recommended Region: Northeast US,
Imitation: Stone Flies,
Material List:
Hook:Tiemco #5262, #6-12

Thread:6/0 brown

Weight:Fine (.015") or medium (.020")lead wire

Tails:One black goose biot, tied to each side of the hook

Abdomen:Fine brown chenille

Wingcase:Doubled fine brown chenille

Hackle:Grizzly saddle hackle, palmered

Thorax:Double layer of fine orange chenille

Tying Instructions:
1)Mount the hook in the vise . Wrap lead wire in the center of the shank, allowing sufficient space behind and forward of the lead wire to develop good tapers.

2)Attach the tying thread and cover the lead wire thoroughly with thread wraps. Note that the thread also begins the process of tapering down from the bulk of the lead wire.

3)Select a goose biot strip for tailing. Also know as stripped goose, biots are really nothing more than the stiff side of a goose flight feather, dyed to various colors. Although the original Montana pattern specifies hackle fibers for the tails, goose biots are more realistic and require little extra labor.

4)Tie one goose biot on each side of the hook, natural curvature outward, to form an easy split tail. The finished tail length should be one-half the hook shank.

5)Tie in fine black chenille, and wrap it neatly over the rear half of the shank to form the abdomen. Tie off the chenille, but DO NOT trim the excess. It will be used to form the wingcase.

6)Double the chenille backwards, forming a loop. Tie off the chenille again, and trim the excess, not the loop.

7)Tie in a soft saddle hackle by the butt, shiny side forward. Because stonefly nymphs are fast water clingers, they have massive legs. I prefer to use hackle with fiber length fully twice the gap.

8)Advance the thread to one eye length behind the hook eye, and tie in fine yellow chenille by its thread core. Because bulky materials are tied off at the head, it is vital to leave adequate head room.

9)Wrap the yellow chenille backward and then forward again to form a tapered thorax. Tie off the yellow chenille, and trim it closely. Note that the head area is already getting "busy."

10)Palmer the hackle over the thorax, that is, wrap it forward in evenly spaced turns. Three or four turns of hackle are adequate. Trim the excess hackle. Use your fingers to stroke the hackle from the top of the thorax to clear a path for the wingcase.

11)Pull the chenille loop forward to form the wingcase. Take care to keep it flat and untwisted. Also, make sure to tie off the wingcase at the extreme rear of the head, so as not to crowd the hook eye.

12)Trim the wingcase closely, form a neat, tapered head, and whip finish

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Montana Stone

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