Here is the fly pattern sheet for Mercers Poxyback Green Drake nymph.
Daiichi 1260, TMC 2302, #8 – 12
Olive 8/0 Uni
3 ringneck pheasant tail fibers
Dark golden-brown turkey tail feather
After-shaft feathers from back of an olive-dyed ringneck pheasant rump
Mercer’s Select Buggy Nymph dubbing, Z-wing color or equivalent
Same as overbody
Same as body
Golden-brown grouse feather or hen back equivalent
Same as thorax
- Use a Mayfly Clinger & Crawler olive tungsten beadhead from Flymen Fishing Co. instead of the gold bead.
- Use UV resin instead of epoxy.
- Place bead on hook and start thread behind bead and wind thread to about the 50% mark.
- Select 3 pheasant tail fibers and hold fibers back and upward to ensure they remain on top of hook.
- Attach wire rib at tail.
- Tie in turkey tail feather used as wingcase on top of hook. Select a second tail feather and tie in at same point
- Select 2 aftershaft feathers and tie in separately at tail.
- Wire, turkey tail feathers, and aftershaft feathers should extend over tail.
- Dub a tapered body about 2/3 up hook.
- Pull aftershaft feathers forward and tie off with 3 – 4 thread wraps and trim.
- Pull turkey tail feathers forward, one at a time, and tie off. DO NOT TRIM.
- Wind rib forward and tie off. Trim excess.
- Pull both turkey feathers back over body and use a few thread wraps to secure while the thorax is tied.
- Dub a thick thorax. Trim top and bottom of thorax to create a flat profile.
- Create a V in the leg feather and tie in stem with fibers flowing towards tail.
- Pull each turkey wingcase feather forward separately, ensuring legs extend out of each side, and tie off.
- Use 5 Minute Epoxy or UV Resin on the thorax section of wingcase.
This is a great Mike Mercer fly pattern from his book entitled Creative Fly Tying.
Here is a link to my RiverKeeper Flies YouTube channel where I demonstrate tying how to tie the fly.