Rocky River Trout Unlimited

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    • Fly of the Month Patterns >
      • DRY FLY PATTERNS >
        • Adams Variant
        • Asher
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        • Coachman Variant
        • Conner's October Caddis
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        • Dry Pheasant Tail Variant
        • Dun Fly, August Fly,Wasp Fly
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        • Egg Laying Caddis
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        • Female Adams
        • Fluttering Caddis
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        • Gray Fox Variant
        • Grey Hackle Yellow Dry
        • Griffith's Gnat
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        • Infallible
        • Japanese Beetle
        • Jassid
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        • Lacewing
        • Light Cahill Catskill
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        • Rusty Spinner
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        • Mr. Rapidan
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        • Tups Indespensible
      • Pupae/Larva
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      • Terrestrials >
        • Amy's Ant
        • Alen's Cow Killer
        • Cricket
        • Inchworm
        • Jack Cabe Hopper
        • Little River Ant
        • Moth
        • Murray's Flying Beetle
        • Parachute Ant
        • Texas Piss Ant
      • Wet Fly Patterns >
        • Black Gnat
        • Blue Charm FFI
        • Breadcrust
        • Coachman
        • Cock-y-Bundhu
        • Cooper Bug
        • Grizzly King
        • Ibis
        • Parmacheene Belle
        • Orange and Partridge Soft Hackle FFIFFI
        • Red Ass Soft Hackle
        • Tups Indespensible
    • Fly Patterns
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    • Fly Shops, Outfitters and Guides
    • Fly Fishing >
      • RRTU Reference Fly Tying >
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        • Archive History >
          • Archive History
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            • FORR 2020
    • Calendar Copy
  • RRTU Store
  • Tips - Tying
  • Rocky River TU
    • RRTU Events >
      • Monthly Meetings
      • Streamside Day Trips
      • Alarka Trips
      • Fly Tying Classes >
        • Instructional Tyers
    • Davidson River HEP
    • Conservation >
      • Conservation Partners >
        • NC Camo Coalition
    • Diversity >
      • WOMEN ON THE FLY
      • BSA Merit Badge
    • We welcome your feedback!
    • Become a TU Member
    • Mission and Brief History
  • FORR
  • Programs
    • Trout In The Classroom
    • RiverCourse Fly Fishing Youth Camp
    • Casting Carolinas
    • Wilson Creek Adopt-A-Stream and Stream Watch
    • South Mountain Adopt-A-Park
    • Stone Mountain State Park
  • Resources
    • Fly of the Month Patterns >
      • DRY FLY PATTERNS >
        • Adams Variant
        • Asher
        • Atherton No 5
        • Baigent's Variant
        • Blue Quill
        • BWO
        • BWO Catskill
        • BWO CDC Emerger
        • BWO Sparkle Dun
        • BWO Spinner
        • Carolina Wulff
        • CDC Biot Comparadun
        • CDL Comparadun
        • Coachman Variant
        • Conner's October Caddis
        • Crackleback
        • Dragonfly Dry
        • Dry Pheasant Tail Variant
        • Dun Fly, August Fly,Wasp Fly
        • Early Nelson
        • Egg Laying Caddis
        • Troth Elk Hair Caddis FFI
        • Elk Hair Caddis
        • EZ Caddis
        • Female Adams
        • Fluttering Caddis
        • Ginger Quill
        • Gray Fox Variant
        • Grey Hackle Yellow Dry
        • Griffith's Gnat
        • Hazel Creek
        • Hendrickson
        • H & L Variant
        • Hopper Juan
        • Infallible
        • Japanese Beetle
        • Jassid
        • Jim Charley
        • Klinkhamer
        • Lacewing
        • Light Cahill Catskill
        • Little Green and Little Yellow Stonefly
        • Mr. Rapidan
        • North Carolina Yellow Sally
        • FFI Parachute Adams
        • Parachute Adams
        • Pheasant Tail Dry Fly.Skues
        • Puff Diddy
        • October Caddis
        • Orange Forked Tail
        • Rattler
        • Red Headed Caddis
        • Smoky Mountian Candy
        • Sunkist
        • Trude
        • Rusty Spinner
        • Sulphurs Part 1
        • Sulphur Part 2
        • Yellow Palmer
      • Dry Attractor
      • Midges >
        • Grey Goose Midge Emerger
        • Morgan's Midge
      • Nymphs >
        • Brassie
        • Chironimid
        • Copper John
        • Crossover Nymph
        • Crow Fly
        • Damsel Fly Nymph
        • Deep Sparkle Caddis Pupa
        • Devil's Doorstop
        • Girdle Bug
        • Gold Ribbed Hare's Ear
        • Guinea
        • Hare's Ear Nymph FFI
        • Hot Creek Special
        • Mr. Rapidan
        • Peridgon Nymph
        • BH Prince Nymph FFI
        • BH Prince Nymph
        • Realistic Stonefly
        • Royal Prince
        • Secret Weapon
        • Scud
        • Egan's Tasmanian Devil
        • Tups Indespensible
      • Pupae/Larva
      • Scud >
        • UV Scud
      • Soft Hackles >
        • Center Bead Soft Hackle
        • Grey Hackle Soft hackle
        • Orange Partridge Soft Hackle
      • Terrestrials >
        • Amy's Ant
        • Alen's Cow Killer
        • Cricket
        • Inchworm
        • Jack Cabe Hopper
        • Little River Ant
        • Moth
        • Murray's Flying Beetle
        • Parachute Ant
        • Texas Piss Ant
      • Wet Fly Patterns >
        • Black Gnat
        • Blue Charm FFI
        • Breadcrust
        • Coachman
        • Cock-y-Bundhu
        • Cooper Bug
        • Grizzly King
        • Ibis
        • Parmacheene Belle
        • Orange and Partridge Soft Hackle FFIFFI
        • Red Ass Soft Hackle
        • Tups Indespensible
    • Fly Patterns
    • RRTU Class Recipes
    • NC General Hatch Charts
    • Fly Shops, Outfitters and Guides
    • Fly Fishing >
      • RRTU Reference Fly Tying >
        • Entomology Basics
        • More Entomology Basics
      • More Fly Fishing Basics
      • Fly Fishing Tips
      • Trout Fishing & Trout Fishing Stories
    • Fly Casting
    • History, Reading, References >
      • S. Appalachian & Smoky Mtn History >
        • Archive History >
          • Archive History
          • FORR Campaign >
            • FORR 2020
    • Calendar Copy
  • RRTU Store
  • Tips - Tying
Picture
Iris Streamer
Iris Streamer
During the cold winter days after the Thanksgiving and Christmas holidays, fly-fishing with a streamer is an excellent means of attracting and catching a trout. Surface feeding is limited to a warmer day with tiny midges or an overcast day with small blue winged olives. Most of the catching opportunity is underwater. The choices for the angler are wet flies, soft hackle flies, nymphs, streamers or attractor patterns such as an egg, egg cluster, San Juan worm, Y2K, Estes’ Mop Fly or a Squiggly-Wiggly. 
Choose a streamer because larger trout primarily eat small forage fish, crayfish and hellgrammites year-round and especially during the winter when food is much harder to find. Top of the list is an olive woolly bugger or a black ghost. On our list to try next is an experimental streamer from 1939.
 
Iris Streamer Series
                  Iris No. 1 is a streamer fly, designed and patented by Preston J. Jennings. Patent No. 2,188,753 was filed July 8, 1939 and allowed January 30, 1940. From the Patent: “The proper coloring of the lure is determined by viewing the object which it is desired to simulate through a prism and coloring the lure in exactly the same manner as it appears through the prism.”
Jennings claimed as a theory that: “Light entering the water from an acute angle is bent or refracted at the surface. This bending causes sunlight to split into the basic colored lights which form sunlight. That the design is the impression of how a small fish would appear to a gamefish when viewed in this refracted light. The basic colors being red, blue, green, yellow, the predominate colors of the spectrum are arranged in the same order as when viewed through a prism, illuminated by reflected light or silhouetted against a source of light.”
Preston J. Jennings the inventor is the author of A Book of Trout Flies, an instructive volume published in 1935. Jennings developed an entire series of Ibis streamers including: Murky Iris, Lord Iris, Iris No. 4, Iris No. 3, Iris No. 2, Lady Iris and one streamer that has no name. He also created the Light Silhouette Minnow and the Dark Silhouette Minnow. All these fly patterns had the qualities of a multi-colored, prismatic streamer.
Jennings was an individual who viewed the world of fly-fishing differently. After thousands of wet fly and streamer fly patterns had been created by some of the best anglers on earth, Jennings came along and added yet another unique chapter to the fly pattern recipe book for streamers.
Fish the Iris No. 1 streamer in the same manner as any other streamer. The experimental part is to use the streamer in the full sunlight of early morning and late evening when the prismatic effects are theoretically in place. If you research Preston J. Jennings, you will find that he was a very successful angler and other anglers followed his advice in his time and he still has followers today.
 
Iris No. 1
Fly of the Month 01.19
Tom Adams and Alen Baker
References:
Smedley, Harold Hinsdill. Fly Patterns and Their Origins, 1944
www.globalflyfisher.com
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