Found this on Irishflytying.
hook - Dai Riki 075 #10
thread - Danville 6/0 rusty brown
tail - Uni Stretch yellow orange
rib - small wire hot orange
body - dubbing rusty brown
body hackle - brown/grizzly dyed hot orange
wing - biots sunburst
hackle - partridge dyed rusty brown
Part 1
mash barb, start thread; tie in rib, wrap to the bend
tie in Uni Stretch (multiple strands teased together with bodkin); trim to length
dub thread/dub body
tie in hackles
wrap hackles to the rear simultaneously
trap tips of hackles with rib; continue forward, helicopter end, cover with thread
tie in biot on each side (tip to bend)