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Montana hatch chart


January

February March April May June July August September October November December

Caddis

Grannom

Sizes 12-18, Brown to Light Green

Spotted Sedge

Sizes 12-16, Brown to Tan

Brown Sedge

Sizes 14-18, Brown

October Caddis

Sizes 6 & 8, Burnt Orange

January

February March April May June July August September October November December

Mayfly

Baetis

Sizes 14-22, Blue Winged Olives

March Brown

Sizes 12-14, Brown

Ameletus

Sizes 14-16, Red/Gray to Gray

Pale Morning Dun

Dull Yellow

Red Quill

Sizes 10 -12, Rust to Red

Green Drake

Sizes 8-12, Green

Gray Drake

Sizes 10 -14, Gray

Mahogany Dun

Sizes 12-16, Burgundy

Trico Size 18, very tiny
January February March April May June July August September October November December

Stonefly

Capnia

Sizes 16 & 18, Black

Nemoura

Sizes 12 & 14, Brown

Skwala

Sizes 10 & 12, Greens to Browns

Large Golden Stone

Sizes 6 & 8

Small Yellows

Sizes 14-18

Salmon Fly

Sizes 4 & 6

January February March April May June July August September October November November

Midges

Small Black Midge

Just about the entire year

Small Green Midge

Just about the entire year




John Perry's Montana Fly Fishing

68 Rock Creek Road
Clinton, Montana 59825


Phone: (406) 825-2997
Toll Free: (800) 580-9703
Email: John Perry Outdoors


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