CDC Trico

Hook: Standard dry-fly hook,
    sizes 24 to 20.
Thread: Mahogany 8/0
    (70 denier).
Tail: Three white coq de Leon
    fibers or Microfibbetts.
Abdomen: Mahogany tying
    thread.
Thorax: Black cul de canard.
Wings: White cul de canard
    shaped in a wing burner.