Fly Fishing Trout Fly
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Fly Fishing Nymph

California: Feather River Hatch Chart

FlySizeJanFebMarAprMayJunJulAugSepOctNovDec
Callibaetis12 - 16      
Golden Stonefly8 - 10          
Orange Stonefly6 - 8           
Blue Winged Olive18 - 22      
Little Yellow Stonefly14 - 16          
Pale Morning Dun14 - 16            
Western Green Drake10 - 12            
Hexagenia4 - 8             
Click Fly Name to see patterns that imitate it.