Here is the fly pattern sheet for Clark’s Big Mayfly – Green Drake.
Daiichi 1280, #10 – 12
Danville, Olive 6/0
Olive green poly yarn, three strands
Barred dun, dun, or olive dyed grizzly
Here is how I tie the fly in a YouTube video:
I featured Lee Clark’s Big Yellow Mayfly as a Throw Back Thursday Fly and decided to change the color from yellow to green in hopes of it working during a Green Drake hatch. It does!