Fly Fishing Trout Fly
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Fly Fishing Nymph

New York: Upper Cattaraugus Hatch Chart

FlySizeJanFebMarAprMayJunJulAugSepOctNovDec
Midges (various)18 - 22     
Hendrickson12 - 14             
Caddis (various)14 - 18          
Sulphur14 - 20            
Terrestrials (various)8 - 18        
Trico18 - 24            
Click Fly Name to see patterns that imitate it.