Mayfly Patterns By Species

Callibaetis Mayfly Selection

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 important stillwater food sources for trout.  While the nymphs of the callibaetis are available to...

Pale Morning Dun / Pale Evening Dun Fly Selection

While the Pale Morning Dun and Pale Evening Dun mayflies are members of different families, they are largely similar in size and profile, allowing them to be matched by many of the same fly patterns.  Both families can be found in streams and rivers...

Trico Mayfly Selection

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' "Blanket Hatches" that cover the rivers and streams they inhabit.  While the small dark nymphs can be...

Blue Winged Olive Mayfly Selection

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 elevation and in almost every state.  This mayfly family will often have two generations per year, with...