A variant of a large American Hex mayfly pattern that has a couple of unusual techniques that can be easily adapted for tying Danica and Vulgate patterns.

Large American Hex mayfly pattern

Hook: Mustad R43 # 8
Thread: Dyneema
Tail: Pheasant tail
Body: Buck tail & elk or deer hair
Wing: Calf tail
Hackle: Coachman brown & Silver badger

How to tie Troutsman Hex