Nymphs

Fly Library

Nymphs

Nymphs imitate the subsurface larval and pupal stages of aquatic insects where trout feed roughly 80% of the time. Mastering nymph fishing is the fastest path to consistent success on any trout stream.

30 patterns in this category

Pheasant Tail Nymph

The universal nymph — fooling trout since 1958.

Sizes 12–20

Hare's Ear Nymph

Buggy, messy, and irresistible to every trout in the river.

Sizes 10–18

Frenchie

The Euro nymphing gateway drug.

Sizes 12–20

Perdigon

The fast-sinking competition nymph that changed Euro nymphing forever.

Sizes 14–22

San Juan Worm

Love it or hate it, it catches fish — lots of fish.

Sizes 10–16

Copper John

John Barr's heavy metal attractor — built to sink and designed to shine.

Sizes 12–18

Deep Sparrow Nymph

A heavy tungsten jig nymph with a dubbed body and CDC collar that imitates a range of small mayfly n

Sizes 14–18

Iron Lotus

A modern Czech nymph with a woven body, tungsten bead, and hot spot collar. Built for heavy Euro nym

Sizes 12–16

Prince Nymph

Doug Prince's attractor nymph combines peacock herl, brown hackle, goose biot wings and tail in a pa

Sizes 10–18

Rainbow Warrior

Lance Egan's Rainbow Warrior is a flashy midge/mayfly crossover pattern with a pearl Mylar body, red

Sizes 16–22

Walt's Worm

Walt Young's deceptively simple nymph uses hare's ear dubbing on a curved hook to imitate caddis lar

Sizes 12–16

Pat's Rubber Legs

Pat's Rubber Legs is a large, heavily weighted stonefly nymph pattern with rubber legs that pulse an

Sizes 4–10

Lightning Bug

The Lightning Bug is a flashy attractor nymph with a pearl tinsel body and tungsten bead that catche

Sizes 14–18

Jig Pheasant Tail

The jig-hook version of the Pheasant Tail Nymph rides point-up to reduce snags and fishes perfectly

Sizes 14–20

Mop Fly

The Mop Fly — made from a strip of chenille mop material on a jig hook — is the most controversial a

Sizes 10–14

Green Rock Worm

The Green Rock Worm imitates free-living Rhyacophila caddis larvae — the bright green caterpillar-li

Sizes 12–16

Flashback Hare's Ear

The Flashback variant adds a strip of pearl tinsel over the wing case of the classic Hare's Ear, pro

Sizes 12–18

Twenty Incher

The Twenty Incher is a large, heavily weighted stonefly nymph with rubber legs and a chenille body.

Sizes 4–8

Micro Mayfly

A tiny, sparse nymph tied on a barbless jig hook that imitates the smallest mayfly nymphs in the dri

Sizes 18–24

Partridge and Orange

The Partridge and Orange is a traditional soft-hackle wet fly dating back centuries on English river

Sizes 12–16

Quasimodo Pheasant Tail

A Czech-style Pheasant Tail variation tied on a curved scud hook with a pronounced hump-back profile

Sizes 12–18

Squirrel Nymph

Dave Whitlock's Squirrel Nymph uses fox squirrel body hair and tail as dubbing for a buggy, all-purp

Sizes 10–16

Beadhead Caddis Pupa

This simple caddis pupa imitation features a dubbed body with a contrasting thorax and a soft hackle

Sizes 12–18

Two Bit Hooker

A hot-collared jig nymph that combines a wire body with a fluorescent dubbing collar for a slim, fas

Sizes 14–18

Sexy Walt's Worm

A modernized version of Walt's Worm with a UV dubbing body and a glass bead for subtle weight and tr

Sizes 12–16

Scud

The Scud imitates Gammarus and Hyalella amphipods — crustaceans that thrive in weed beds on tailwate

Sizes 12–18

Sow Bug

The Sow Bug (or aquatic isopod) imitation is a flat-profiled, segmented nymph that imitates the tiny

Sizes 14–18

Polish Woven Nymph

The Polish Woven Nymph features a two-tone woven body that creates a durable, segmented abdomen rese

Sizes 10–16

Tungsten Torpedo

A heavy, streamlined Euro nymph with a smooth thread body under UV resin and a large tungsten bead.

Sizes 10–14

Juju Baetis

Charlie Craven's Juju Baetis is a sleek, modern nymph that imitates tiny Baetis mayfly nymphs with d

Sizes 18–22