Regular Rod @ Dry Fly Expert presents a variation of the Grey Wulff that presents a nice, low floating dry fly to represent the large Drakes of early Summer. Lee Wulff designed the Grey Wulff in the early 1930’s for larger mayflies he encountered while fishing the Catskills region of the U.S. The larger Wulff pattern has several variations, but the basic grey was his first Wulff pattern. Regular Rod’s variation especially focuses on that front squirrel wing. Note in his instructions he does not split that front wing, but rather leaves it a single wing. I like that for its simplicity in tying. 

THE GREY WULLF VARIANT

“Lee Wulff is considered the grandfather of catch and release fishing. In 1939, Lee Wulff released the book, Handbook of Fly Fishing, where he maps out the principals of catch and release fishing. The way he puts catch and release is that there will be more fish in the rivers, so you can come back again and again and catch fish. Also he says that the fish get smarter making them harder to catch and making the fisherman have to be more accurate with his casts. The second part of the business model is setting up organizations such as Trout Unlimited and other like it to protect the habitats that the trout live in and making the beautiful places where fishermen fish stay beautiful.”   Wiki Info