Green Rockworm Tutorial (rhyacophila fuscula imitation)

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Green Rockworm Tutorial (rhyacophila fuscula imitation)

Post by letumgo » Wed Oct 09, 2019 7:33 pm

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Green Rockworm Soft Hackle
(rhyacophila fuscula/green sedge imitation)

Hook - Partridge Czech Nymph (Size 12/formerly 18) - Barbless black nickel down-eye
Thread - 8/0 UNI-Thread (Black)
Hackle - Starling Back Feather
Rib - Monofilament (Clear / 0.004")
Dorsal Strip - Four or Five Strands of Peacock Herl (Natural)
Abdomen - Fly Tying Dungeon "ET Glo Dub" (Chartreuse) - (glow-in-the dark dubbing)
Thorax - Four or Five Strands of Peacock Herl (Natural) reenforced in thread dubbing loop
Head - Tying Thread


Tying Instructions:
1) Mount hook in vice
2) Attach tying thread with five firm wraps directly behind the hook eye
3) Select and prepare a starling feather, by stripping off the basal fluff.
4) Tye in the hackle feather by the stem, with the feather facing out over the eye of the hook.
5) Tye in a strand of monofilament, followed by the strands of peacock herl. Wrap the thread deep into the bend of the hook. (Photo 1)
6) Wax the tying thread, and then dub the thread, keeping the dubbing slender and tapered. (Photo 2)
7) Wrap dubbed thread forward, forming the abdomen. Stop roughly 1/4 of the hook length, from the eye of the hook. This allows room for the thorax later. (Photo 3)
8) Pull the peacock herl strands over the back of the fly, and bind down with a couple wraps of tying thread. (Photo 4)
9) Wrap the strand of monofilament forward in open spiral wraps. The mono will reinforce the peacock herl along the back of the fly, making it a more durable fishing fly.
10) Clip off the tag end of the mono. Then pull the herl strands back towards the bend and wrap the thread back to the base of the abdomen. (Photo 5 and 6)
11) Form a dubbing loop with the thread, then lay the peacock herl along the top of the loop. Insert a dubbing hook into the loop, and capture the ends of the herl. Twist into a herl chennile and wrap forward, forming the thorax of the fly. Secure in place, and clip off the excess herl.
12) Grasp the hackle tip in a pair of rotary hackle pliers, stroke the fibers and fold the fibers back before wrapping forward. Two wraps should provide plenty of legs/life to the fly.
13) Wrap the tying thread forward thru the hackle fibers, then pull back the fibers and form a head.
14) Whip finish with tying thread and clip off the thread.


Tying Sequence:
Photo 1
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Photo 2
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Photo 3
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Photo 4
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Photo 5
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Photo 6
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Dubbing Loop:
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Blurry pic of wrapped hackle
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Finished Fly:
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This dubbing has the nifty ability to glow-in-the-dark, after being exposed to a bright light source.
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Re: Green Rockworm Tutorial

Post by Old Hat » Wed Oct 09, 2019 7:37 pm

Nicely done Ray! I think I have all those materials except for the fish.
I hate it when I think I'm buying organic vegetables, and when I get home I discover they are just regular donuts.
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Re: Green Rockworm Tutorial (rhyacophila fuscula imitation)

Post by ronr » Fri Oct 11, 2019 8:47 am

very tasty fly and great SBS,, thanks! another new fly to add to my winter tying.
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Re: Green Rockworm Tutorial (rhyacophila fuscula imitation)

Post by Theroe » Fri Oct 11, 2019 9:56 am

Love that style, Ray !!!
Soft and wet - the only way....
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Re: Green Rockworm Tutorial (rhyacophila fuscula imitation)

Post by letumgo » Sun Oct 13, 2019 9:52 am

Here is a somewhat upscaled version of this fly. This version is intended for steelhead and is tied on a Partridge Patriot Czech Nymph hook (Size 6). The hackle needed to be up-sized too, so I've switched out the starling hackle to a Whiting Natural Black hen cape feather.

The tying style is also a bit different (tyed in-the-round with the hackle running back thru the full thorax region).

Green Rockworm Soft Hackle
Hook - Partridge Patriot Czech Nymph (Size 6) - Barbless black nickel down-eye
Thread - 6/0 UNI-Thread (Black)
Hackle - Whiting Hen Cape Feather (Natural Black) - hackle stripped from one side of feather
Rib - Trilene Big Game Monofilament Fishing Line (Green/12 lb test/0.014" diameter)
Dorsal Strip - Five Strands of Peacock Herl (Natural)
Abdomen - Fly Tying Dungeon "ET Glo Dub" (Chartreuse) - (glow-in-the dark dubbing)
Thorax - Five Strands of Peacock Herl (Natural)
Head - Tying Thread

Anyway, here are some new photos of the larger version.

Photo 1:
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Photo 2:
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Photo 3:
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Photo 4:
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Photo 5:
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Photo 6:
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Photo 7:
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Photo 8:
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Photo 9:
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Photo 10:
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Photo 11:
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Photo 12:
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Re: Green Rockworm Tutorial (rhyacophila fuscula imitation)

Post by letumgo » Sun Oct 13, 2019 9:59 am

Couldn't help myself. Just having a bit of fun...:roll: :D :lol: :lol: :lol:
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