Hook - Mustad 3906, Tiemco 101 or equivalent, size 14-26
Rib - Gold or copper wire
Body - Pheasant tail fibers
The recipe above is for the “Pheasant Tail San Juan Midge” pattern.
There are numerous variations in tying this pattern
Use different styles of hooks.
Use different color wires for the ribbing.
Use dubbing, biots, stripped peacock quill, floss, uni stretch, spanflex, tinsel, turkey tail fibers, other species of pheasant tails or even thread for the body material.
Use different wing material such as Uni stretch, Z-lon, Darlon, poly yarn, Hi-Viz etc.
Add a bead and make it a bead head pattern
Most importantly is to tie the fly using your tying style and preferences.
This fly can be fished as a nymph down deep or as an emerger, just below the surface. It’s your choice.