Parachute Blue Winged Olive (BWO)
Even the picky ones like this one!

Hook: Daiichi 1100 in sizes 18-22 (size 20 optimal for San Juan)
Thread: Lt Olive or BWO color 8/0 Uni-thread
Tail: Split Olive, gray, or dun Microfibbets (optional hackle fibers)
Abdomen: Thread
Thorax: Thread
Wing: Dark Gray Turkey Section
Legs: Blue-Gray Hackle to Match Hook (wound parachute style)
Instructions:
  1. Secure thread behind bead and  wrap back to just before bend.
  2. Tie in the tail (3/4 length of fly).  Leave butt end long and wrap thread forward over butt ends.  Trim at 2/3 point.
  3. Tie in 2 sections of turkey.  Trim butts close and wrap over.  Make a few wraps in front of the wing to secure it and force it upright. 
  4. Build tapered thread body and thorax around the win..
  5. Tie in hackle (butt end toward eye).  Wrap parachute style around base of the wing.  Secure and trim at front.
  6. Finish head,  whip finish, and carefully cement.
Variations: Try different  body colors (gray, blue-gray).