Fly Tying
A little different shellback, to improve durability; wrapping it with the rib would work, too.
hook - Dai Riki 320 #14
thread - Danville 6/0 black
tail/shellback - mallard flank dyed woodduck
rib - small wire copper
body - peacock herl
hackle - grizzly dyed hot orange (undersize by 2)
mash...