Hatch Imitations

Flies That Imitate Mayfly Nymphs

19 proven patterns designed to match mayfly nymphs across multiple life stages. From subsurface nymphs to surface duns, these are the flies that consistently fool selective trout.

Nymph

Pheasant Tail Nymph

The universal nymph — fooling trout since 1958.

Sizes 12–20

Nymph

Hare's Ear Nymph

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

Sizes 10–18

Nymph

Frenchie

The Euro nymphing gateway drug.

Sizes 12–20

Nymph

Perdigon

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

Sizes 14–22

Nymph

Copper John

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

Sizes 12–18

Nymph

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

Nymph

Iron Lotus

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

Sizes 12–16

Nymph

Rainbow Warrior

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

Sizes 16–22

Nymph

Lightning Bug

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

Sizes 14–18

Nymph

Jig Pheasant Tail

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

Sizes 14–20

Nymph

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

Nymph

Quasimodo Pheasant Tail

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

Sizes 12–18

Nymph

Squirrel Nymph

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

Sizes 10–16

Nymph

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

Nymph

Polish Woven Nymph

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

Sizes 10–16

Nymph

Tungsten Torpedo

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

Sizes 10–14

Nymph

Jig Perdigon

A slick, heavily-weighted Spanish competition nymph designed to sink fast through the water column o

Sizes #14–#20

Nymph

Surveyor

A modern Euro nymphing staple that blends the best elements of the Pheasant Tail and Frenchie into o

Sizes #14–#18

Nymph

Tungsten Jig Hares Ear

The classic Hares Ear profile reimagined on a modern jig hook with a heavy tungsten bead for Euro ny

Sizes #12–#18