Fly Hatch Chart for the Yaak River, Montana

The Hatch Try These Flies

Time of Year

Attractor Trout Flies

Learn About Attractor Trout Flies

 Attractor Nymphs
Attractor Dry Flies
June-October

Baetis or Blue-winged Olive

Learn About The Baetis Mayfly Hatch

 

Baetis Nymphs and Emergers
Baetis Dry Flies

March-May

Caddis Flies

Learn About The Caddis Hatch

 Caddis Larva and Pupa

Caddis Dry Flies
May-October
Nymphs and Emergers: Dry Flies:
May-September

Learn About The March Brown Mayfly Hatch

Nymphs

Dry Flies
March-May
Midge Larva
Midge Pupa or Emergers
Midge Adult Dry Flies
All Year

PMD Nymphs and Emergers
Mayfly Emergers
PMD Dun & Spinner

June-August

Streamers

Wooly Buggers
April, September-November

Dry Flies
July-September