A lot of variations to the basic framework out there; just one idea here.
hook - Dai Riki 135 #12
thread - Danville 6/0 black
core - 8lb Mason
body/shellback/head - 1mm foam blue
wing - Congo Hair white
thorax - dubbing blue
hackle - grizzly
Part 1
put a loop in the end of the mono
mash barb, start thread; tie in mono
tie in foam, hook the loop onto the gallows
brush mono with Super Glue, wrap foam up (2x hook length)
brush on some more Super Glue and wrap back down; tie down tag end at base
tie in CH on either side of body
tie in hackle