Softhackle version of a real effective nymph. A beadhead thorax would be cool, too, if you're looking to get it a little deeper, or you could just use the standard nymph pattern.
hook - Dai Riki 280 #14
thread - MFC 8/0 brown
tail/shellback - pheasant tail
rib - x-small wire copper
abdomen - opal mylar tinsel
thorax/head - peacock herl
hackle - brown hen
Part 1
mash barb, start thread about 1 eye width back from eye; tie in wire, wrap to bend and back
take a few pt fibers, even tips, measure (gap width past bend); tie in
pull pheasant down over back, spiral rib forward; helicopter end and cover with thread
tie in a couple peacock herls
prep hackle; tie in