Mayfly Patterns By Species

Since the nymph of the March Brown Mayfly spends its aquatic life cycle burrowed into the bottom of the streambed, it is during the emergence that ...

While most prominent in the central and eastern United States, the March Brown will also be found in many western streams and rivers, stretching as...

The queen of North American mayflies, the Hexegenia or Hex mayfly is only outclassed in size by one other species. Found across the United States ...

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...

While present throughout the US, the Pale Morning Dun (PMD) is most prolific and considered a vital food source for trout out west. Usually emergi...

A common summer through fall mayfly hatch throughout most of the US, the small-statured Trico mayflies will emerge in such numbers that they will c...

The Sulphur Mayfly is among the most notable and eagerly anticipated (by both trout and the fly angler) late spring to early summer hatches for the...

One of the first and most prolific mayfly hatches each spring in the upper Midwest, Appalachia, and New England, the trout wake from their winter s...

Among the largest moving water mayfly species in the western US, the Green Drake dwarfs other mayfly species when it emerges each summer. Due to t...

When the big green drake nymphs break cover from the bottom of the stream and start to make their way towards the surface, it is mayhem! Trout los...

Among the largest mayfly species found in our rivers spanning from the Midwest to the Pacific Ocean, the Green Drake Nymph is a staple food for man...

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...

One of the few families of mayfly that make their home in lakes and ponds, the Callibaetis mayfly is a 365 day a year trout favorite across most of...

Buried in the soft sand and muck on the bottom of lakes and slack water rivers across the East Coast, Midwest, and West Coast, when the Hex mayfly ...

Known across the East Coast as Slate Drakes, Iso Mayflies, or by the long winded angler as Isonychia, these mayflies are a very important trout foo...

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 Blue Winged Olive Mayfly is one of the most prolific mayfly families in the United States and can be found on rivers and streams at every eleva...

What the Trico mayflies lack in size, they make up in quantity! This mayfly family comes off in late summer to fall, and is renowned for its' "Bla...

While the Pale Morning Dun and Pale Evening Dun mayflies are members of different families, they are largely similar in size and profile, allowing ...

Found in nearly every roadside ditch, pond, lake and reservoir in the central and western United States, the Callibaetis mayfly is one of the most ...

If the Blue Winged Olive is the tiny Cessna of the mayfly family, the Green Drake is the hulking Boeing 787! The Green Drakes are one of the large...

While not as numerous as midges or as large as stoneflies, mayflies are without question one of the most important food sources for trout in most s...

Populating lakes and slack waters in every US State (except Alaska, Arizona, and New Mexico), and spreading throughout every Canadian province exce...

Found in rivers and streams throughout the entirety of the Eastern US and Canada as well as most of the Midwest, the Sulphur Mayfly (formally known...

Hendrickson is a common name that anglers have used to encompass both the species of Ephemerella invaria (also known as the Sulphur of Light Hendri...

One of the first and most prolific mayfly hatches each spring in the upper Midwest, Appalachia, and New England, the trout wake from their winter s...

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...

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...

Invented by tied by legendary fly tyer and angler Preston Jennings, the Grey Fox has been the bane of trout in the Catskill mountains for more than...

A Bumble Bee, a Wasp, A Yellow Jacket, or just some crazy looking Mayfly, regardless of what the Sure Shot was intended to be it sure matches a lo...