Mayfly Patterns By Species

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...

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...