yes
tied on a scud hook and a bead up front results in a fly called a "shop vac" from blue ribbon guys out in yellowstone
http://www.danica.com/flytier/nfrechette/shop_vac.htm
here is the san juan midge in gray
http://www.danica.com/flytier/nfrech...midge_gray.htm
and using turkey tail fibers
http://www.danica.com/flytier/nfrech...dge_turkey.htm