Mayfly Nymphs

The Anatomical Green Drake is a very accurate impression of the Western Green Drake nymph, a favorite hatch on many western rivers. The action fi...

Skip Morris' solution to highly selective or pressurized trout. These two slender nymphs are often mistaken for each other, fish where either or p...

As the name implies this fly is somewhat "armored". The body is covered with the wing case in order to keep it protected from a fishes mouth. G...

This little guy will produce all year, but it does mimic the early season stoneflies that are found in Western rivers from January through May Tun...

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 vuln...

 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...

Excellent pattern when fish are on the surface but not hitting the duns. Trailing shuck and beadhead make this a great pattern to cast upstream, a...

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 ...

Although it is not a super hatch, these larger mayfly nymphs are often gorged upon by trout. Tend to reside in slower water, but can often appear ...

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...

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

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

Little Black Stones are seen coming of the water in early spring, making this pattern crucial pattern for the guys who are itching to get on the w...

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...

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 vu...

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...

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 ...

A tungsten jigged pheasant tail with a hot spot is a well known and deadly Euro nymph pattern. RIO's French Dip is an excellent bug for Euro nymphi...

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

A great pattern for lakes that is hugely productive. It has a buggy look that should mimic a slough of insects, however, we really like this for ...

Part of being an exceptional fly creator means designing flies that are meant for you and your fly box only. That's precisely how RIO's signature t...

This pattern has great action and attraction.  Use for the nymph and emerger, as the poxyback imitates the shine the wingcase takes on right befor...

One of the world's most popular prospecting flies, presented here a beadhead for the sink and wiggle. Buggy, flashy, suggestive of a plethora of ...

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 ...

  Still the #1 nymph in the world and with good reason, add the bead get it down, fish on!  It's just that simple. Buggy, flashy, suggestive of ...

This mayfly is a staple of a trout's diet.Particularly prevalent in the mid-west and east. Sink it a bit or float it in the film. A great hatch; ...

"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 ...

Tied skinny on a curved nymph hook. Flash, excellent for skinny water, temperamentally challenged fish. Many nymphs develop a shiny back before ...

Part of being an exceptional fly creator means designing flies that are meant for you and your fly box only. That's precisely how RIO's signature t...

With all due respect to John Barr and his brilliant creation of the Copper John (which may still be the best-selling nymph of all time) there were ...

Born in NE United States this bug is much like a tan woolly worm. An old pattern that has been known to catch many fish. Great general attractor. 

Please note that Perdigon hooks are 2x wide and are often mistake for a size or two larger than they are. The Perdigon Nymph was created by Spanis...

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...

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...

Your all-time favorite pattern with a bead that imitates the gas bubble nymphs ride to the top. This one will quickly be one of your must have's....

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...

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 ...

Princes are an iconic pattern in the nymphing world. Meant to look like stones or mayflies or an attractor, they have a place in almost every fly...

An excellent searching pattern. Silhouette resembles enough food patterns to work everywhere. A real workhorse that is not fished enough for fish ...