Mayfly Patterns By Species

The Matt's Baetis nymph pattern captures the true spirit of the Generalist in its ability to match a massive number of mayfly and stonefly species....

A must-have staple in every angler's fly box, the Juju Baetis is one of our favorite nymph patterns when matching small or immature mayflies. The ...

The "AP" in AP Nymph stands for "All Purpose" and that is truly the case when it comes to this ultra-versatile generalist pattern. When fished in ...

Similar to the household lubricant from which this pattern derives its name, the WD-40 works anytime and everywhere! The profile of this fly and t...

If we could only fish two nymph patterns for the rest of our days on the water, one would be a Flashback Hare's Ear, and the second would be the Fl...

While there are no secret patterns that are guaranteed to catch fish every time you are on the water, the closest thing to it would be the Pheasant...

The soft hackle wrap on the Beadhead Soft Hackle Pheasant Tail adds another layer of realism to this already legendary pattern. As this nymph drif...

Also know as the Guides Choice hares Ear Nymph, it is the soft hackle wrap on the that adds the final layer of realism to this already legendary pa...

The Blue Dun is a common name that has been applied to a number of spring and summer emerging mayfly species, including the Black Quills, Blue Quil...

Sitting lower in the water than both the Parachute BWO and the Thorax BWO, the BWO CDC Comparadun makes it appear trapped in the surface film, and ...

With the name Light Cahill being applied to a number of different mayfly species across the country, having this pattern stocked in your box will e...

One of the first and most prolific mayfly hatches each spring in the upper Midwest, Appalachia, East Coast, and New England, the trout wake from th...

The tiny moving water mayfly family of Tricorythodes (or more commonly known as Tricos), make up what for what they lack in size (generally sizes 1...

The tiny moving water mayfly family of Tricorythodes (or more comonly known as Tricos) make up what for what they lack in size (generally sizes 18-...

Depending on where you live, a number of different mayflies might share the name of Blue Winged Olive (BWO). However, it is the size 16-24 family...

The little Blue Winged Olive (BWO) mayfly of the family baetidae are arguably the most important moving-water mayfly hatch for both the trout and t...

Without a doubt, the most important moving water mayfly species in the trout's diet is the Blue Winged Olive (BWO). With numbers topping thousands...

True to the natural Callibaetis Mayfly down to the speckled wing and long tail, the Loopwing Parachute Callibaetis is an almost spot-on imitation o...

With the name Light Cahill being applied to a number of different mayfly species across the country, having this pattern stocked in your box will ...

A common name used in reference to a number of mayfly species, the Parachute Red Quill is a fly that can be used to match a number of species spann...

The spawned out mayfly spinner, floating on top of the water after death, is among the easiest food and fastest calories available for the feeding ...

After the BWO hatch each spring, the Pale Morning Dun or PMD is the next major mayfly hatch for streams and rivers across the West. If you are loo...

One of the first and most prolific mayfly hatches each spring in the upper Midwest, Appalachia, East Coast, and New England, the trout wake from th...

The little Blue Winged Olive (BWO) mayfly of the family baetidae is arguably the most important moving-water mayfly hatch for both the trout and th...

The Barr's Emerger has earned its stripes in the field and on the water, making it one of the most popular and effective mayfly emerger patterns on...

While there are no secret patterns that are guaranteed to catch fish every time you are on the water, the closest thing to it would be the Pheasant...

Originally tied along the banks of Oregon's McKenzie river, and made famous on the Big Horn River in Montana, the Skinny Nelson is an unassuming, m...

Originally tied along the banks of Oregon's McKenzie river, and made famous on the Big Horn River in Montana, the Skinny Nelson is an unassuming, m...

The offspring of an RSII and a Jujubaetis, the Mercury Baetis is a born trout slayer! Don't let the slim profile and muted colors of this pattern ...

Don't let the name, Beadhead Micro Mayfly, fool you. Regardless of what you might think, trout don't know the name of the flies in your fly box, a...

Mimicking one of the most vulnerable life cycles of the invertebrate, the foam wing of the Mayhem allows it to dance and bob in the water column in...

The offspring of an RSII and a JujuBaetis, the Flashback Mercury Baetis was a born and destined to be a trout slayer! Don't let the slim profile a...

The "Jack of all Trades" of the angler's fly box, the Mercury Flashback Pheasant Tail is an ultra-versatile fly pattern that is capable of matchin...

The H & L Variant is a high floating, traditional dry fly that has been fooling trout for more than 60 years. While sharing many characteristi...

Topped with a brass beadhead and a little flash to help it shine through cloudy water, the Beadhead Flashback Barr's Emerger has earned its stripes...

Topped with a brass beadhead and a little flash to help it shine through cloudy water, the Beadhead Flashback Barr's Emerger has earned its stripes...

If we were only allowed to fish one dry mayfly pattern for the rest of our days on the water, that pattern would be the Parachute Adams. If we wer...

Depending on where you live, a number of different mayflies might share the name of Blue Winged Olive (BWO), but the vast majority of the time it i...

After the BWO hatch each spring, the Pale Morning Dun or PMD is the next major mayfly hatch for streams and rivers across the West. If you are loo...

A heavy metal version of one of our most effective and versatile nymph patterns, the Beadhead Juju Baetis is a killer match for a host of mayflies ...

A unique fly matching one of the most vulnerable ad productive life-cycles of the Mayfly, the Female Adams imitates the egg-laying spinner that has...

The “Force is strong” with the Darth Baetis pattern and so is its ability to stick trout! Tied to overpower the reserve of rebellious tailwater tro...

Not a pattern for the young jedi to trifle with, the Beadhead Darth Baetis lives and dark places and does bad things to trout!! Tied to overpower t...

Holding its head and abdomen close to the water, and its wings high aloft, the Parachute Blue Dun is an excellent fly pattern when matching the Bla...

The overweight member of the Adams dry fly family, the Irresistible Adams is just too big of a meal for most trout to pass up! While copying the wi...

Equipped with a "Hot Spot" wing pad, the bright yellow foam on the back of the Split Case PMD imitate the bright yellow body for the adult PMD mayf...

The closest legal alternative to fishing with dynamite during a mayfly hatch, the Parachute Greg's Emerger is - hands down - our favorite dry mayfl...

Equipped with a "Hot Spot" wing pad, the subtle olive foam on the back of the Split Case BWO imitates the light olive body for the adult Blue Wing...