Mount a standard nymph hook and start brown thread behind the eye; wind a smooth thread base back to the bend.
Tie in three wood duck flank fibers at the bend for the tail, splayed slightly, about half a shank-length long; bind the butts forward to level the underbody.
Tie in a length of fine gold wire at the bend for the rib and let it hang.
Dub a slim, tapered reddish-brown body from the bend forward to the 60% point, building a gentle taper that thickens toward the front.
Counter-wrap the gold wire forward in four or five evenly spaced open turns over the body; tie off and helicopter to break the wire.
Tie in a section of dark turkey tail at the 60% point for the wingcase, shiny side down, tips pointing back over the body.
Dub a fatter thorax forward over the front third, stopping one eye-length behind the eye.
Fold the turkey wingcase forward over the thorax and tie it down behind the eye; trim the excess.
Tie in a sparse brown partridge feather for legs, take one turn or fold a few fibers back along each side, build a small head, whip finish, and cement.