Mayflies - Hatches -

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...

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...

A lake and river warrior, the Beadhead Mylar Prince Nymph are ready to do battle with big fish where you are fishing. Equipped with a bright green...

A proud member of a long line of attractor nymphs (such as the Rainbow Warrior and Copper John), the Beadhead Evil Weevil's sole purpose is to tick...

The love child of a Pheasant Tail Nymph and a Copper John, the Pheasant Tail Brassie is a perfect mix between realistic profile & proportion wi...

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 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...

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...

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...

Like The jealous younger sibling of the Royal Wulff, the Royal Coachman is in a stiff competition to be the most productive Attractor Mayfly nymph...

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 ...

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...

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...

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...

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

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 Juju Yellow Sally is a flashy little stonefly nymph that expertly mimics the thin abdomen and brightly colored yellow body, and prominent split...

The Beadhead Juju Yellow Sally is a flashy little stonefly nymph that expertly mimics the thin abdomen and brightly colored yellow body, and promin...

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...

Equally effective as a mayfly or small stonefly nymph, the Tung Teaser is a heavy metal crossover pattern and a proven fish catcher! Combining all...

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...

Decked out in black, white, and silver, the gothic younger brother of the prince nymph known as the Beadhead Prince of Darkness is just crying out ...

An oldie but a goodie, the Zug Bug has been hooking trout since before I was born! Sharing many of the elements of its cousin the prince nymph, the...

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 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...

Like a middle school boy going in for their first kiss, this fly is a bit over eager and goes in deep with the TUNG. This fly stands out from the ...

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...

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...

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...

A chunkier version of a well-known nymph pattern, the Beadhead Zug Bug has been hooking trout since before I was born! Sharing many of the elements...

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...

This tried and true generalist nymph pattern has been putting the hurt on trout for more than 50 years and will undoubtedly be catching fish for co...

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...

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...

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...

Like throwing a hot coal in the water, tying on a Red Headed Step Child will make your next trip to the river sizzle! Sharing the size and profile...

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...

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...

A mayfly nymph from another mother, the MPMP Nymph is one of Ascent’s “secret weapon” Pale Morning Dun Mayfly Nymph we pull out when trout become w...

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 ...

Originally crafted to target the trophy trout of Pyramid Lake in Nevada, the Mahalo Nymph might just have landed more 20lb trout than any other fly...

The love child of a Pheasant Tail Flashback and a Little Yellow Stonefly Nymph, the Lightning Bolt is a fiery little nymph pattern that is fished w...

The nymph life cycle of the Pale Morning Dun is actively preyed upon by trout in both Eastern and Western rivers. Known to take multiple "practice...