Flies

A resident of a number of lakes and reservoirs across the Rockies and Western US, Mysis Shrimp are a key forage species supporting some of the most...

A resident of a number of lakes and reservoirs across the Rockies and Western US, Mysis Shrimp are a key forage species supporting some of the most...

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...

Like shrimp cocktail from outer space, the PS Martian Mysis is an Ascent Fly Fishing original brought to you by Aquatic Biologist Peter Stitcher. ...

Casting off a white spark of light during the day, and a tractor beam of green light at night, the PS Martian Midge is the alien child of Ascent Fl...

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...

While the Prince Nymph in its various forms has the profile of a mayfly or stonefly nymph, that is where the resemblance ends. Contrasting red and...

With nearly 17,000 species of midges crowding our North American waters, the Beadhead Zebra Midge is an amazing generalist pattern that - when fish...

Simple but effective, the Buckskin (often known as the Buckskin Nymph) is a killer caddis larva pattern that consistently produces fish on lakes an...

The lovechild of the Copper John and the Pheasant Tail, the Hotwire Nymph is a terror to trout one of the best tools in the fly fisher's box! Load...

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...

One of the best kept guide secrets of Wyoming's North Platte River, the Reef Pal is a mighty midge pattern that packs one hell of a punch. The blu...

The darker version of the PS French Kiss fly pattern, the Dirty French Kiss is a punk rock fly that is always ready to GET DOWN with any trout! Wh...

Made from the stuff of trout nightmares, the Batman Nymph will dive into the darkest pools in the river to bring trout to justice…well, if not just...

Both the varsity quarterback and the 2018 Prom King, the Frenchie is the over-achieving, flashy big brother of the pheasant tail nymph. While tippe...

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...

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 midge emerger from another mother, the Bloodworm Emerger is a mix of tried and true patterns like the mole fly and quill emerger with a dash of f...

Trout porpoising through the top of the water, fins, and snouts just clipping through the surface is a telltale sign of fish gorging on midge emerg...

If you are looking for a go to midge emerger with a proven record of fooling even the most selective trout, look no further than the Manhattan Midg...

Another pattern created by Ascent Bug Geek Peter Stitcher, the Disco Baetis has fast become one of our go-to fly patterns for tempting a bite out o...

Another Ascent Fly Fishing original, the Beadhead Disco Baetis has fast become one of our heavy metal, go-to fly patterns for tempting a bite out o...

One of the go-to fly patterns in every fishing guide’s box, the SOS. Nymph stands for “Save Our Skin” and is the pattern we turn to when we need to...

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...

Not your grandpa’s midge pattern, the CDC midge is a sleek, low-profile trout sticker! The ultralight CDC feather wing of this pattern barely dimpl...

“There something not quite right about this bug. I think I’ll give it a bite!” Yes, as a fisheries biologist I am able to read the minds of trout, ...

Let me take a moment to emphasize the MICRO in the name Elk Caddis Micro Dun. Tied from a size 16 to a 22, this caddis is perfect for matching almo...

True to the form of the real adult caddisfly, the Tent Wing Caddis, is an ultra-realistic caddis imitation perfectly matching the tent wings and pr...

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...

With its flashy wire and tinsel wrapped abdomen and slender wing case pulsing in the current, the Beadhead Gold Member is a trout seductress who ha...

The Tungsten Jig Perdigon cuts through the water like a torpedo and is the uncontested favorite fly pattern of most competition Euro Nymphing angle...

While the Tungsten Jig Prince Nymph in its various forms shares the profile of a mayfly or stonefly nymph, that is where the resemblance ends. Cont...

Probably the flashiest Attractor nymph in the fly box, the Jiggy Rainbow Warrior lives up to its name and is wrapped in mirrored mylar and multi-co...

The Jiggy Guides Choice Hares Ear Nymph, is a cold blooded, cold water killer! Tied with a tungsten beadhead and competition barbless jig hook, thi...

Both the varsity quarterback and the 2018 Prom King, the Tungsten Jig Frenchie Nymph is the over-achieving, flashy big brother of the pheasant tail...

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 Tungsten...

A staple of in EVERY Euro & Czech Nympher’s fly box, the Tungsten Jig Caddis Larva hits the water like a big hair 80’s Rocker – tight, flashy, ...

When it comes to the most potent and lethal midge patterns, oftentimes “less is more” and that is certainly the case with the Tailwater Assassin mi...