Dan Delkta's take on a Quigley Cripple, apparently. Tied here in purple; change colors to suit your needs.
hook - Dai Riki 280 #14
thread - Uni 8/0 purple
shuck - Congo Hair brown
rib - gold wire x-small
abdomen - Congo Hair purple
thorax - peacock herl/Haretron dubbing
underwing - bleached elk
overwing - Congo Hair white
legs - Sili-legs brown
hackle - grizzly-dyed brown
Part 1
Mash down barb, start thread
tie in shuck; fold back, tie in rib and wrap back to point above barb
tie in a few strands of purple CH; wrap forward to 60% mark
rib body; tie off/helicopter end, trim shuck to length (gap width past bend)