Here is the fly pattern sheet for the Lempke Extended Body Green Drake fly.

Lempke Extended Body Green Drake - Courtesy www.fliesfliesflies.com
Photo: Courtesy of Sandy Pittendrigh (http://flies.montana-riverboats.com/?page=Bing-L)

Materials

 

Hook:

Mustad 7957B or equivalent #12

Thread:

Black nylon 2/0

Wings:

Goose Primary sections with rounded tips

Tail:

Extension of three black monofilament fibers, 0.006″ diameter, secured along hook shank to form beam

Underbody:

Art foam strip, 3/8″ wide, wrapped along shank and up beam

Egg sac:

Two peacock herl fibers

Ribs:

Size A yellow nylon

Body:

Peacock olive floss

Hackle:

One each grizzly neck hackle dyed yellow and blue dun

Fly pattern from Snake River Country – Flies and Waters (1991) by Bruce Staples