Mayflies - Hatches -

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...

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...

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...

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 ...

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 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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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 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....

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...

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...

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...

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...

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 ...

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...

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...

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 ...

The Stalcup Baetis is a bit of a bully when it comes to fly patterns. It's not content to be fished for just one hatch and always wants to be a p...

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...

“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 ...

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...

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...

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

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...

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 ...

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 Gold Ribbed Hare's Ear, and the second would be the ...

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

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...

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...

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 ...

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...

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...

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...

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

Found throughout the lower 48 states and Canada, the Callibaetis Mayfly is one of our few stillwater (pond, lake, and reservoir) mayfly species. W...