Fly Tying for Beginners a Crackback Pale Morning Nymph with Jim Misiura

This can be adapted to suit any mayfly species.
Hook: 2xl Nymph
Thread: Brown
Tail: Mallard Flank (dyed wood duck)
Rib: Gold wire
Gills: Emu Natural (Ostrich)
Abdomen: Amber/Brown Antron
Crack: Light Hackle Stem
Wingcase: Turkey Tail Tip
Legs: Partridge
Thorax: Amber.Brown Antron