Abdomen Pale olive (PMD) or olive-brown (Baetis) ostrich herl or fine dubbing (Thin)
Shellback & wing case Olive thin skin / Scud Back (1 strip)
Legs Partridge fibers (Few per side)
Thorax Brown or peacock synthetic dubbing (Small pinch)
How to tie it
Mount the hook (slide on a bead first if using), start thread, and run it to the bend.
Split a few partridge fibers into two small clumps and bind one to each side so the tails spread about a hook gap, a slim mayfly footprint.
Tie in the copper wire and a narrow strip of olive Scud Back, then twist ostrich herl (or fine dubbing) onto the thread and wrap a thin abdomen to the 60% mark.
Pull the Scud Back over as a shellback and counter-rib the wire forward in 5-6 open turns for crisp segmentation; snip.
Tie in a short wing-case strip, then dub a small thorax to the 85% mark.
Sweep a few partridge fibers back along each side as legs to the hook point.
Fold the wing case over the thorax, bind at the eye, snip, and whip finish.