Good morning David, I am going to link you to a couple that have been very productive all thru the Fall and Winter of this past year. I believe that you can just look at them at tie each one. They do well in sizes #22-26. Try them and see if they don't produce well for you.
Hugh Hartsell---East Tn.
http://www.smokymountainflyguide.com...CremeMidge.jpg
http://www.smokymountainflyguide.com...%20Emerger.jpg