I like this one because the CDC traps air bubbles...and it may be fished dead drift - deep or on the surface...

CDC SPENT CADDIS... (Jim Schollmeyer)...

HOOK: TMC 900 BL, #16-#20

THREAD: Tiemco 16/0, Brown

EGG SAC: Bright Green Dubbing.I like Spirit River Fine and Dry Chartreuse

BODY: Dark Olive Dubbing.I use Stalcup?s Micro Dry Fly BWO, Olive for Eastern Sierra waters

THORAX: Brown-ish dubbing

WING: Dark Dun CDC or color to match natural