Pronghorn wing proved to be finer than any deer belly hair I have, and much easier to work with than the calftail version I tried a while back.

hook - WFC Model 3 #12
thread - MFC 6/0 purple
tail - moose body hair
rib - Flashabou Mirage opal
abdomen - dubbing purple
wing - pronghorn white
hackle - grizzly/brown