Tie some thread from the hook eye to the bend and place a tail made by marabou-like strips (those found in saddle hackles). I prefer the natural grey color.
Go back with some open turns towards the hook eye, and tie the six peacock strips, the flashabou and the copper wire, going towards the bend and up to the tail edge.
Without wrapping the peacock strips making them bulky, we should cover them with anti-clockwise moves; then tie them and trim. We should do the same with the flashabou strip that goes around the abdomen. After tying with copper wire and trimming the flashabou, cover it with clockwise moves. This way we go through the body and the flashabou ribbing making an X-figure, and set both tightly in a single step. View more...
Even out four CDC feathers (you can use 2 or 3 for smaller flies) and tie them with its concave side heading up, making sure that we leave enough of it at the back so that it is not short when bent over the thorax. The length of it, that overhangs, should be at least of the same length as the abdomen.
Take a peacock fiber with long fibrils, tie it by its tip (cut off the thinner section), and cover the thorax by combing the fibrils towards the back (as we do when tying a hackle). It should be very thick.
Use a toothpick to keep the CDC feathers from sticking completely on the thorax when tying them at the head. This little gap will then hold an air bubble that forms when the fly gets to the water, and it will keep the fly in the correct angle of inclination. Finish this emerger fly by dying the tying thread with brown marker and making several turns right below the wing. These finishing turns should make the fly a bit more tilted upwards. View more...
Finished fly image.