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Biot Blue Wing Olive


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BWOs are the common thread that binds fly fishermen to trout where ever they come together. These little bugs are active almost year round, and they are like trout candy. In addition, there are as many fly patterns that imitate BWOs as there are rivers that hold them. This pattern comes from Ross Mueller's Fly Fishing Midwestern Spring Creeks. It has the three things that define blue-winged olive nymphs: a long fine tail, a thin segmented body, and a pronounced thorax.

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Materials

Hook:
Dai Riki #060 size 18-22
Thread: Olive or Dun 12/0
Tail: 6-10 Fibers of Lemon Wood Duck Flank
Body: One Olive Goose Biot
Wing Case: One Olive Goose Biot
Thorax: Gray Dubbing


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Tying Instructions

  1. Secure hook in vise and start thread one eye length behind the eye.
  2. Wrap thread to end of hook shank to point even with the barb.
  3. Tie in tail one to one-and-a-half the length of the hook shank and trim.
  4. Tie in goose biot by the tip across the hook shank so it curves the way it will be wrapped on.
  5. Move thread half-way up the hook shank where the body will end.
  6. Put a very small drop of head cement on the underbody.
  7. Wrap goose biot evenly up to the thread and tie off. Trim excess.
  8. Tie in other goose biot by the base sticking up and out to the rear that will form the wing case.
  9. Dub a loose spiky thorax.
  10. Pull biot over to form the wing case and tie off behind eye. Trim excess and whip finish.
  11. Pick out thorax and trim off the bottom a bit.


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