Fly Fishing Trout Fly
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Fly Fishing Nymph

California: Truckee Hatch Chart

FlySizeJanFebMarAprMayJunJulAugSepOctNovDec
Blue Winged Olive12 - 16            
Blue Winged Olive14 - 18       
Mahogany Dun14 - 18           
March Brown12 - 14            
Pale Morning Dun14 - 18          
Red Quill16 - 18           
Slate Drake10 - 12            
Green Caddis12 - 18          
Green Drake10            
Grannom10 - 18          
Sulphur14 - 18           
Scud10 - 16          
October Caddis6 - 8           
Click Fly Name to see patterns that imitate it.