A B.C. Wulff variation from Danie Erasmus; apparently the bugs fresh out of the shuck have a darker body, hence the brown dubbing.

hook - Dai Riki 300 #8
thread - UTC 140 brown
tail - moose body hair
rib - UniStretch Yellow
body - dubbing brown
wing - elk hair dyed dark dun
hackle - brown/grizzly dyed yellow (1Tbs Rit Golden Yellow/1 cup water)

trimmed out underneath for flatwater situations