Mayfly Nymphs

Anatomical Green Drake Beadhead A realistic, fishy take on one of the most important mayflies of the year. This pattern is built to imitate...

A great improvement on this all-time classic pattern. Many nymphs take on a very shiny appearance right before emerging. Trout key in on this vuln...

One of the top five trout nymphs ever tied on a tippet. A near perfect imitation of the blue wing olive nymph, also works great for a general mayf...

 Overview: Still the #1 nymph in the world and with good reason. Buggy, flashy, suggestive of a plethora of nymphs. The more it is fished the bugg...

One can never have to many midge patterns, and this a great nymph to add to the box. Bead Wing gives this emerger a look that only a transparent ...

A new pattern that provides a great alternative to heavily pressured fish. Imitates midges and small mayflies. A top producer when fish ignore s...

A very prolific hatch in many areas. These small mayflies can be the first in the spring and the last in the fall. Many different hatches are comm...

A very useful pattern to have one's fly box. Has been used to imitate just about everything under the sun, that is of small size. Has enough weigh...

Jig nymphs are becoming more and more popular in the fly fishing community. Bruin Nymph is a generic mayfly patttern on a jig hook.  Jig hook all...

The Copper John is an incredibly famous pattern. This variation is tied with a tungsten bead so that it gets down NOW! Also great under an indicat...

An emerger pattern with some sparkle and weight. Can be fished at varying depths of the water column. Many strikes come at the end of the drift,...

A cross between the pheasant tail and brassie. Works well where ever there are stonefly or mayfly nymphs. Classic profile, sinks fast, sleek, and ...

A cross between the pheasant tail and brassie. Works well where ever there are stonefly or mayfly nymphs. Classic profile, sinks fast, sleek, an...

Everyone, in mean everyone, has a pheasant tail nymph in a fly box. The Cove's Pheasant Tail is yet another pattern spawned from the ingenious p...

This juicy little Baetis pattern produces fish under the spookiest of circumstances. From Colorado to Maine, baetis nymphs are a huge source of foo...

Created by top Scottish angler Craig McDonald, this fly has been taking the European river scene by storm. It is favored as the point fly on...

Tied especially for streams in the Eastern US and Canada, where this mayfly makes a tasty treat for trout. The action fishing the nymph can match ...

"A jigged version of one of the most productive Euro style nymphs that has ever existed. The jigged hook allows for more snag-free drifts and bette...

Another jigged version of the infamous Egan's Frenchie. This one features a thread-wrapped body that reduces the overall size of the nymph body. It...

CDC is one of our favorite materials for nymphs. It moves like mini marabou and looks incredible underwater. This pattern is tied much like a phea...

A great improvement on this all-time classic pattern. Many nymphs take on a very shiny appearance right before emerging. Trout key in on this vuln...

A great improvement on this all-time classic pattern. Many nymphs take on a very shiny appearance right before emerging. Trout key in on this vul...

Take a beadhead Pheasant Tail and give it a heavier bead, and you have a faster sink rate, and slightly different action to foll even the wariest ...

This is a solid mayfly nymph. Czech / Euro style with a thin, epoxy body, sparse collar and oversized tungsten bead Tied on a standard downturn-...

A great general purpose/searching nymph pattern. Black is great for mayfly nymph or little black stone imitations. Yellow works well for smaller g...

Here’s your new, most versatile trout fly. The matte black tungsten bead gives this fly its punch. Put RIO’s Gum Dropper behind your favorite big d...

All the infamous traits of the Beadhead Hare's Ear, but with a Tungsten Bead Head for faster sink rates. Still the #1 nymph in the world and with ...

You'll appreciate the strike-inducing power of this versatile nymph pattern. General purpose nymph works well for mayflies, midges and other trout...

Like all the Pheasant Tail patterns, this one has a spot in every trout fisher's fly box. Hot spots make more sense that one might think at first...

"This drake nymph is tied with a tungsten bead so it is guaranteed to scrape bottom, and the combination of natural and synthetic materials impart ...

"The original Micro Mayfly patterns have for years set the standard for small, quick-sinking, lethally effective mayfly nymphs. This new variation ...

One of the most infamous baetis patterns in history. This pattern has been one of the top producers of picky fish across North America. Baetis are ...

Kentucky Bourbon — Euro Nymph Fly Our Kentucky Bourbon euro nymph is a high-performance trout pattern built on the proven design of the iconic Jack...

Tied specifically to closer imitate the E. Dorthea species. A very precise imitation for finicky fish. Sulphurs, PMDs, Light Cahills are major ha...

A fantastic summertime PMD nymph. Imitates a caddis pretty dang well too Simple, heavy, flashy.  Often, the simplest fly is the most productive ...

Extremely effective and popular mayfly nymph imitation. Particularly effective in the late season baetis hatches. Tied in the sizes that seem to...

This is a customer requested pattern from back East! A gawdy little green drake emerger/nymph that swings and drifts with a vengance.  An all arou...

The Perdigon Nymph is designed for one thing—getting down fast and staying in the strike zone. Originally developed by Spanish competition anglers,...

Take a beadhead Pheasant Tail and give it a heavier bead, and you have a faster sink rate, and slightly different action to foll even the wariest ...

Lets face it fish like shiny stuff, it is often what attracts them in the first place. Pheasant Tail UV contains UV dubbing in the thorax that he...

Proudly designed by a Big Y Customer and Hood River local. "This fly features a simple body design that helps it sink quickly and a natural CDC col...

Jig nymphs are becoming more and more popular in the fly fishing community. Pink Jug is a generic mayfly pattern on a jig hook.  Jig hook allows ...

When screening riffles to see what nymphs are present, we've noticed how Green Drakes tend to look like "baetis in a snow suit", like the kid from ...

Wet fly hackles give this fly incredible underwater movement. Pair that with the krystal and the color purple and you get one of the hottest new p...

When a raindrop hits the water, it quickly disappears. RIO's Raindrop does the same. This perdigon style fly is heavy and slender to get down into ...