The below illustrations can give you a better idea of why flies are designed the way that they are and by looking in and on the water as well as under rocks to establish what is available as food for the fish can aid in fly selection too.
Your local fly shop is the best resource for buying the perfect flies for wherever you are fishing. The below illustrations can give you a better idea of why trout flies are designed the way that they are.
Images provided by our friends at Umpqua.
A) Mayfly NymphGold Ribbed Hare’s Ear
B) Mayfly EmergeSpot Top Emerger
C) Mayfly AdultLoopwing Paradun
A) Stonefly NymphSparkle Body Stone
A) Stonefly NymphKaufmanns Stone
B) Stonefly AdultStimulator
B) Stonefly AdultImproved Sofa Pillow
A) AntChernobly Ant
B) Flying AntFlying Ant
C) BeetleFoam Beetle
D) CricketDave’s Cricket
E) GrasshopperDave’s Hopper
A) Midge PupaChironomid Pupa
B) ScudHunchback Scud
C) LeechWooly Bugger
D) Adult MidgeCDC Midge Adult