Mayfly Nymphs

Skip Morris' solution to highly selective or pressurized trout. This prolific nymph has a huge range, and is a staple in many lakes. Callibaetis h...

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...

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...

Imitates a plethora of nymphs fish love to eat. Including cased caddis, mayfly nymphs, and dragon fly nymphs. Has a ton of peacock herl, that con...

A classic nymph, peacock thorax, slender pheasant tail body. The wire rib presents a nice segmented look, in addition to adding flash and durabili...

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 ...

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...

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 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 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...

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...

A great pheasant tail pattern that is especially popular in the PA area. Much like a traditional pheasant tail, but with subtle difference that ca...

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; ...

A realistic representation of the nymph stage of a popular mayfly commonly known as the Hexagina (Hex). The ostrich ribbing moves much like the rea...

This big mayfly nymph works well to imitate those late-hatching Mahogany nymphs, as well as brown and grey drakes, march browns and even skwalas. ...

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 ...

Often over looked in the nymph form, light colored mayfly nymphs sometimes are the only nymph a finicky trout will hit. A nice silohuette for a n...

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...

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

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. 

This fly came about as a necessity for creating a pattern that maintains profile, attractive properties in all water conditions and mayfly hatch si...

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...

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...

RIO's Rock Grinder is designed to sink very fast and be a nice mix of buggy-ness and attraction. This euro nymph has a hot tag of floss and a CDC c...

This "softie" is tied on a scud hook and paired with a tungsten bead.  It  makes a wonderful dropper pattern - behind either a larger nymph or a hi...

Tied specifically to closer imitate the sulphur. Sulphurs, PMDs, Light Cahills are major hatches on many, many rivers.

Designed by Randall Kaufmann to imitate the callibaetis nymph, also works for dragonfly and damselfly nymph. A very productive lake pattern and ...

Originating in Colorado this pattern imitates stonefly nymphs in larger sizes and mayfly nymphs in smaller sizes. Using peacock herl, this patt...