Pattern Database

John Barr's Copper John sinks like a stone and triggers strikes with its metallic wire body and reflective wing case. One of the most effective fast-water nymphs of the last 30 years.

The F-Fly was developed in Europe as a highly impressionistic mayfly and midge imitation, designed specifically for pressured trout and technical water. Rather than imitating exact details, the pattern relies on profile, posture, and movement—key triggers that trout respond to when insects are trapped in the surface film. Using only CDC for the wing, the F-Fly excels at riding low, mimicking spent or emerging insects that trout feed on confidently. Its simplicity allows it to match a wide range of small mayflies and midges, making it a favorite on spring creeks, tailwaters, and slow glides. The F-Fly's minimalist design and effectiveness have earned it a permanent place among modern dry-fly staples. This ultra-simple recipe creates a low-riding silhouette with exceptional natural movement—perfect for selective trout feeding in calm, clear water.

Lance Egan's competition-born Frenchie is a Pheasant Tail nymph with a hot spot thorax. The pink (or hot orange) dubbing creates a trigger point that consistently outperforms the unmodified original.

Hans van Klinken's parachute emerger changed how anglers think about surface presentation. The curved hook suspends the abdomen below the film while the poly post and parachute hackle keep it floating. Deadly during caddis and mayfly emergences.

Mike Lawson's Loop Wing Emerger features a CDC loop wing that traps air and floats in the film with a naturalistic silhouette. The looped wing suggests a dun wing just emerging from the shuck — irresistible to selective fish.

The Micro Chubby is a modern refinement of Chubby-style attractor dry flies, which trace their lineage back to the iconic Chubby Chernobyl. While the original Chubby was intentionally oversized to imitate stoneflies and hoppers, anglers quickly learned that trout often respond better to a smaller, cleaner silhouette—especially on pressured water. By downsizing the profile while keeping the core elements—foam buoyancy, rubber legs, and a visible body—the Micro Chubby excels as a searching dry fly, a terrestrial imitation, and a highly effective hopper-dropper indicator fly. Its ability to float heavy droppers while remaining subtle enough for selective trout has made it a staple in modern fly boxes.

Caddisflies are among the most important insects in trout streams, often emerging in large numbers and skittering across the surface. Effective caddis patterns focus less on exact imitation and more on profile, buoyancy, and movement—qualities that trigger confident strikes. Snowshoe hare foot hair has long been valued in fly tying for its exceptional flotation and natural translucence, while CDC provides subtle motion and a low-riding footprint on the water. This Olive Snowshoe Caddis combines both materials to create a wing that floats high yet breathes naturally, making it especially effective in riffles, seams, and broken water. The olive coloration allows this pattern to cover a wide range of caddis species, functioning as both a hatch match and a versatile searching dry throughout spring and summer. This natural-material recipe produces a highly buoyant, animated dry fly with a clean caddis silhouette—perfect for fishing active caddis hatches or prospecting broken water.

The Perdigon (Spanish for "pellet") is a euro-nymph built for speed and depth. Its smooth thread body coated in UV resin cuts through current like a stone, reaching fish before they can drift away. Available in olive, black, red, and purple — each targeting different feeding moods.

Bob Quigley's classic cripple pattern suggests a dun stuck half-in and half-out of its shuck — exactly the vulnerable stage that selective trout target. The Z-Lon trailing shuck and deer hair wing are signature features.

Rim Chung's impossibly simple tailwater nymph — gray dubbing and snowshoe rabbit wing, nothing more. The RS2 consistently outperforms more complex patterns on heavily pressured tailwaters where fish see everything.

John Barr's Slumpbuster combines a rabbit strip tail with a pine squirrel or rabbit strip body for maximum pulsation and bulk. The cone head gets it deep quickly. A fish-catcher when nothing else works. Olive and brown match sculpin and crayfish; black excels in off-color or low-light conditions.

A flush-floating BWO emerger using snowshoe rabbit foot hair for the wing. Snowshoe hair is more water-resistant than most materials — it floats in the film naturally without floatant and creates a perfect silhouette. Exceptional during heavy BWO hatches.

René Harrop's WD-40 is a masterclass in minimal fly design — wood duck legs, dubbing body, and snowshoe rabbit wing suggest a midge pupa or BWO emerger just below the film. One of the most effective tailwater nymphs ever created.