From Dave Hughes’ “American Fly Tying Manual,” the Little Yellow Stone is a two-hackled generic stonefly imitation for matching the yellow sallies or any of the smaller yellow stoneflies you’ll often find in the mid-Atlantic or Appalachian region.
Hook: #10-12 dry fly
Tail: Yellow grizzly hackle fibers
Body: Yellow synthetic yarn (or dubbing)
Hackle (front and rear): Grizzly dry fly hackle (died yellow)
Dave Hughes books used in this series