Mayflies - Hatches -

Born on the highly pressured and technical tailwaters of the South Platte River in Colorado, the Chocolate Thunder (aka. Foam Wing Emerger) is a su...

No family of flies better covers the mayfly emerger life stage than the RSII! Trout eagerly anticipate the time when the mayfly nymphs break cover...

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. This Gene...

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 ...

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...

Tied with two small beadheads to give it essential weight while still allowing it to keep its slender figure, the Two-bit Hooker is one of the most...

No family of flies better covers the mayfly emerger life stage than the RSII! Trout eagerly anticipate the time when the mayfly nymphs break cover...

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...

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...

Born on the highly pressured and technical tailwaters of the South Platte River in Colorado, the Chocolate Thunder (aka Foam Wing Emerger) is a sup...

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 ...

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...

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...

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...

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...

Located just outside the busy Denver Colorado Suburbs, the fish of the Cheesman Canyon section of the South Platte River have been well trained. C...

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...

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

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...

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

No family of flies better covers the mayfly emerger life stage than the RSII! Trout eagerly anticipate the time when the mayfly nymphs break cover...

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...

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...

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

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...

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...

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....

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 ...

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 ...

“Dad Bods are hot right now!” While the Dad jokes almost write themselves on the river with this pattern, this double beadhead nymph pattern is no ...

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...

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...

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 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...

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...

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...

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...

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...

Anato Mayfly Nymph is a thin-bodied small nymph pattern that can be fished as either a mayfly nymph or an immature stonefly nymph. Tied with a thi...

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...

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 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...

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 ...

White Drakes, White Flies, or White Millers, whatever the name they might go by in your neck of the woods, the importance of the Ephoron family to ...

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...

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...