From Colorado tyer Chris Williams; added the indicator to contrast with the wingcase for a bit more visibility.
hook - WFC Model 3 #14
thread - Veevus 8/0 tan
tail - hackle grizzly
body - biot tannish yellow
indicator - Parapost hot orange
wingcase - 1mm foam tan
loop - UTC 140 woodduck
hackle - grizzly
thorax - Superfine dubbing callibaetis
Part 1
Start thread at 2/3 mark, wrap to bend
Strip off some hackle fibers, stack, measure (shank length); tie in
Tie in (moistened) biot, notch side down
Brush shank with Super Glue, wrap to 2/3 mark; tie off/trim
Tie in a strand of Parapost
Tie in foam strip
Tie in thread loop
Tie in hackle, hook loop onto gallows