While this fly isn't a tough tie by any means, it fools many a picky mayfly eating trout. Brown is a good color, and olive and black are also good bets. The smaller, 20-24 sizes have been most productive.
Materials:
Hook: Tiemco 101 or Daiichi 1110 Size 16-24 Thread: Tiemco 16/0 Tail: Hareline Mayfly Tails (Micro Fibbets) Abdomen/Thorax: Beaver Dubbing Wing: Web from saddle hackle or partridge
