The Complete Reference
Trout Fly Library
144 proven patterns — dry flies, nymphs, streamers, emergers, and more. Every pattern includes sizes, materials, tying videos, and where to fish it.
Essential Patterns
The Complete Reference
144 proven patterns — dry flies, nymphs, streamers, emergers, and more. Every pattern includes sizes, materials, tying videos, and where to fish it.
Essential Patterns

The most versatile dry fly ever tied.
Sizes 12–20

Devin Olsen's quick, durable take on the world's most famous nymph.
Sizes 12–20

Buggy, messy, and irresistible to every trout in the river.
Sizes 10–18

The tent-wing dry fly that revolutionized caddis fishing.
Sizes 12–18

Small fly, big results — the tailwater secret weapon.
Sizes 16–26

If you could only fish one fly for the rest of your life.
Sizes 2–10

Rim Chung's minimalist masterpiece for selective trout.
Sizes 18–24

Lance Egan's Championship Frenchie — pheasant tail + shrimp-pink hot spot.
Sizes 12–20

The fast-sinking competition nymph that changed Euro nymphing forever.
Sizes 14–22

Love it or hate it, it catches fish — lots of fish.
Sizes 10–16

John Barr's heavy metal attractor — built to sink and designed to shine.
Sizes 12–18

The essential hatch-matcher for every Blue-Winged Olive event.
Sizes 16–22

The midge cluster pattern that saves the day on flat water.
Sizes 18–24

The attractor dry fly that mimics everything big on the surface.
Sizes 8–14

The king of attractor dry flies — regal and irresistible.
Sizes 10–16

Nature's floatant meets the most critical feeding window.
Sizes 16–22

The curved-shank emerger that hangs in the film like the real thing.
Sizes 12–18

When trout are gorging on eggs, nothing else comes close.
Sizes 10–16

Microscopic but mighty — the fly that matches the tiniest hatch.
Sizes 18–26

The sculpin slayer that big browns can't resist.
Sizes 4–10

Sizes 16–22

Sizes 14–20

Sizes 14–18

Sizes 14–18

Sizes 12–20

Sizes 10–12

Sizes 10–16

Sizes 12–14

Sizes 18–22

Sizes 14–18

Sizes 20–24

Sizes 8–12

Sizes 14–18

Sizes 12–16

Sizes 14–16

Sizes 16–20

Sizes 12–14

Sizes 10–16

Sizes 10–18

Lance Egan's original flashy attractor nymph — the fly that started it all.
Sizes 16–22

Walt Young's northeast classic — a hare's-ear sow-bug that looks like everything.
Sizes 12–16

Sizes 4–10

Sizes 14–18

Sizes 14–20

A single microfiber strand tied to a hook — controversial, effective, irreplaceable.
Sizes 10–14

Sizes 12–16

Sizes 12–18

Sizes 4–8

Sizes 18–24

Sizes 12–16

Sizes 12–18

Sizes 10–16

Sizes 12–18

Sizes 14–18

Loren Williams' pearl-ribbed Walt's — the same drab pattern with a western-tailwater edge.
Sizes 12–16

Sizes 12–18

Sizes 14–18

Sizes 10–16

Sizes 4–8

Sizes 2–6

Sizes 4–10

Sizes 4–10

Sizes 2–6

Sizes 6–12

Sizes 6–10

Sizes 6–10

Sizes 2–8

Sizes 8–12

Sizes 18–22

Sizes 12–18

Sizes 18–22

Sizes 14–18

Sizes 14–20

Sizes 16–22

Sizes 14–18

Sizes 12–16

Sizes 10–14

Sizes 14–20

Sizes 12–16

Sizes 12–16

Sizes 12–14

Sizes 14–18

Sizes 10–14

Sizes 8–12

Sizes 8–14

Sizes 12–16

Sizes 6–12

Sizes 12–18

Sizes 14–20

Sizes 6–12

Sizes 10–14

Sizes 8–12

Sizes 14–18

Sizes 10–14

Sizes 12–16

Sizes 10–14

Sizes 10–14

Sizes 10–14

Sizes 18–24

Sizes 18–22

Sizes 10–16

Sizes 18–26

Silicone wiggle-worm — controversial, irreplaceable, fish catcher.
Sizes #10–#14

Sizes #14–#20

Sizes #14–#18

Sizes #12–#16

Devin Olsen's fluorescent-tagged tag nymph — pulling power for pressured trout.
Sizes #12–#16

Sizes #12–#18

Sizes #16–#20

Sizes #8–#14

Sizes #12–#20

Sizes #14–#18

Sizes #14–#20

Sizes #2–#6

Sizes #2–#6

Sizes #1/0–#4

Sizes #16–#22

Sizes #18–#22

Sizes #12–#16

Sizes #12–#18
A Czech-team staple — hare's ear body pulsed by CDC and wrapped in hot orange.
Sizes 12–18
A thread-bodied, UV-coated Baetis nymph with a subtle red hot-spot.
Sizes 14–18
A dense Euro-rig streamer with squirrel zonker and Mega Simi Seal.
Sizes 8–10
Lance Egan's 'Go-To Imitation' — a contrasting-back net-builder caddis larva.
Sizes 10–14
A hackle-stacker caddis built to hold a tungsten dropper — dry-dropper anchor.
Sizes 10–16
A Spanish-style CDC V-wing mayfly that converts picky risers.
Sizes 10–18
A Polish-woven caddis nymph — dark back, light belly, squirrel collar.
Sizes 10–12
Lance Egan's high-floating, visible terrestrial — the non-hatch dry fly of choice.
Sizes 10–12
A beefy, buoyant CDC caddis — the linebacker of dry flies.
Sizes 12–16
The V-wing applied to a midge — for the toughest tailwater sippers.
Sizes 18–22
A Red Tag / Prince Nymph hybrid with a UV-pink hot spot.
Sizes 12–16
Rowley's split-case Baetis emerger — black body, pink foam wingcase.
Sizes 14–18
A drab, fast-sinking Baetis imitation for fish that refuse the hot-spot.
Sizes 14–18
A slim mink-zonker jig streamer for Euro-nymph streamer tactics.
Sizes 8–12
Rowley's attractor mayfly nymph — holographic body, hot orange rib, Simi Seal thorax.
Sizes 14–18
A pheasant-tail-free Frenchie — faster to tie, virtually bullet-proof.
Sizes 14–18
Devin Olsen's long-leader CDC midge for the pickiest tailwater risers.
Sizes 18–20
Rowley's hybrid of a zebra midge, mayfly, and perdigon — a guide fly with endless variations.
Sizes 14–18
A net-back-foil stonefly with sculpin-olive sow-scud collar.
Sizes 6–10
The Rainbow Warrior compressed into a Spanish-style perdigon — drops like a stone, keeps the flash.
Sizes 16–20
A Veevus Body Quill perdigon with chartreuse rib and fl. orange hot spot.
Sizes 14–20

A Polish-quill perdigon mayfly — drab enough to fool the picky, durable enough to survive.
Sizes 14–20
A Krystal Flash perdigon — the attractor counterpart to the Quilldigon.
Sizes 14–20
A Hare's Ear in Rainbow Warrior clothing — silhouette meets sparkle.
Sizes 14–18