← Hatches

Tricos

Mayfly

Trico Mayflies · Tricorythodes minutus

☀️ Best on sunny days Active on 0 of 11 sections today

Fly Patterns

Dries CDC Trico #20-22 Hi-Vis Spinner #18-22 Trico Spinner #18-22
Nymphs Pheasant Tail Nymph #14-20

Where & When

Madison 2 sections

Upper Madison
Aug–Sep · #18-22
Lower Madison
Aug–Sep · #18-22

Gallatin 2 sections

Gallatin Canyon
Jul–Sep · #18-22
Gallatin Valley
Jul–Sep · #18-22

Yellowstone 2 sections

Paradise Valley
Jul–Sep · #18-22
Livingston
Jul–Sep · #18-22

Big Hole 2 sections

Lower Big Hole
Jul–Sep · #18-22
Upper Big Hole
Jul–Sep · #18-22

Beaverhead 1 section

Upper Beaverhead
Jul–Sep · #18-22

Jefferson 1 section

Upper Jefferson
Jul–Sep · #18-22

East Gallatin 1 section

Bozeman
Jul–Sep · #18-22