Fly Hatch Chart for the Williams Fork River, Colorado

Fly Hatch Chart for the Williams Fork River, Colorado

The Hatch Try These Flies

Time of Year

Attractor Trout Flies

Learn About Attractor Trout Flies

Attractor Nymphs
Attractor Dry Flies
April-October

Baetis or Blue-winged Olive

Learn About The Baetis Mayfly Hatch

 

Baetis Nymphs and Emergers
Baetis Dry Flies

April-May, September-November

Caddis Flies

Learn About The Caddis Hatch

Caddis Larva and Pupa

Caddis Dry Flies
April-September

Golden Stonefly Trout Fly Patterns

Learn More about the Golden Stonefly Hatch

Nymphs

Adults

June-August
Nymphs: Green Drake Emergers Dry Flies:
July-August
Midge Larva
Midge Pupa or Emergers
Midge Adult Dry Flies
All Year
Nymphs:
PMD Emergers: Dries:
July-August
July-August
All Year

Nymphs

Dry Flies

May-June
April-May, September-November
July-September

Trico Mayfly

Nymphs: (#18-22) Dries: (#18-22)
August-October