Originally designed by Randy Stetzer as a carpenter ant imitation on the Deschutes; may give it a shot as a salmonfly.
hook - TFS 2305 #4
thread - Danville Flymaster Plus black
core - 20lb mono
tail/underbody - fox squirrel tail
rib - x-small wire copper
abdomen - 1mm foam orange
body hackle - dun (undersize by 2)
wing - moose body hair
front hackle - dark dun
Part 1
mash barb, put a loop in the end of a piece of mono, tie it in at midpoint
measure (2x shank) a clump of squirrel tail; tie in/trim butts
tie in wire
adjust hook angle and insert loop onto gallows
wrap squirrel up core (hook length), and back down with cross wraps