This one's from E.J. Malone's Irish Trout and Salmon Flies.

hook - Dai Riki 075 #8
thread - Danville 6/0 black
tail - golden pheasant tippet
rib - small wire gold
body - dubbing golden olive
hackle - golden olive (1 Tbs Rit golden yellow/1 cup water overdyed with 1 Tbs Rit Golden yellow, 1 tsp Rit dark green/1 cup water)
wing - mallard flank