Quigley meets Featherduster, with a bit more positive buoyancy. Tied here as a Callibaetis; change colors to suit your needs.

hook - Dai Riki 280 #16
thread - MFC 8/0 sand
rib - x-small wire copper
shuck - marabou fibers tan
body - ostrich herl dark tan
thorax/wing - 2mm foam grey
hackle - barred cream

Part 1

mash barb, start thread; tie in rib, wrap to bend

measure (gap width past bend) some marabou fibers; tie in/trim butts

tie in ostrich, twist with thread, wrap to 3/4 mark

counterwrap rib, helicopter end, tie down

tie in foam strip top and bottom, wrap back to 2/3 mark