Whiskey Creek Fly Fishing

Thoughts on fly fishing and fly tying

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Barns Pool Stonefly

October 8th, 2008 · 2 Comments

I designed/assembled this fly pattern specifically for fishing the Barns Pools in Yellowstone National Park. This fly is unleaded and the right density to reach the bottom in Barns #1.  Fish it with a small dropper, I like to use a peacock and starling soft hackle.

Design Notes:

Yellowstone fishing regulations prohibit lead of any sort, even as weight underneath flies. The lead free wire available at the fly shops isn’t very dense, and takes a bit to get the fly to sink. So, I supplemented the weight with a beadhead and Hareline’s Quick Descent dubbing.

Assembly Notes:

I liked the look of the tail from Blue Ribbon Flies GM Nymph pattern, so I used the same tuft of black Zelon, surrounded by dark goose biots. The body is dubbed, flash back, and ribbed with wire like many other fly patterns. The thorax and wing cases are similar to many other epoxy baked patterns like the Copper John.


Materials in order of tie in:

  • Hook: Tiemco 5262, size 8 or 10
  • Bead: 1/8 th inch, black brass bead
  • Weight: .025 lead free wire, about 10 turns
  • Thread: Black
  • Tail/eggsac: Black Zelon
  • Tail: black or brown goose biots (or turkey)
  • Rib: small red ultra wire
  • Flash back: 1 strand of saltwater flashabou, pearl color (or any pearl mylar tinsel)
  • Body: Black Quick Descent dubbing
  • Wingcase: Turkey tail, with flashback
  • Legs: Hen feather
  • Thorax: Peacock chenille (synthetic here, feel free to use real peacock)
  • Wingcase: 5 minute epoxy or Loon Knot Sense (UV cure), covered with Sally Hanson’s Hard as Nails

Tying Notes:

Tie the Zelon in right after, and just behind, the lead-free wire. This helps keep a smooth underbody.

The Quick Descent dubbing is made of metal strands, I believe its aluminum. It winds pretty tight on your thread, and holds well.

After dubbing the body, bring the flashabou forward and tie down where the thorax/wing case begins.  Wind the ribbing wire on, binding down the flash.  Then fold the flash back towards the tail, so you can also use it to add flash over the wing case.

Instead of epoxy, I use Loon’s Knot Sense, which cures with a UV light.  This is much quicker, cleaner, and I get better results.  After curing the Knot Sense, I apply an overcoat of Sally Hansen’s Hard as Nails – to add some shine to the surface.

Tags: Fly Fishing · Fly Tying

2 responses so far ↓

  • 1 Baker’s Hole Bugger // Feb 14, 2009 at 9:45 am

    […] Baker’s Hole Bugger is a fly pattern designed at Blue Ribbon Flies for the spawning browns in the fall that migrate through the […]

  • 2 Rubberlegs // Apr 6, 2009 at 8:24 pm

    […] version of the nymph, called Barns Pool Stonefly was shown last fall.  I like to tie, so the Barn’s Pool Stonefly is a fun pattern to tie – […]

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