Fly Tying with Hans - CDC Emerging Mayfly Nymph. This has been a very successful pattern for imitating emerging late summer yellow mayflies, especially pale evening duns. It has fooled many selective fish on our tailwater. The body and thorax are made of CDC. This pattern can be tied in various color schemes to imitate different mayfly species. It can also be tied on a curved emerger style hook.
More videos by Hans Stephenson