Here is the fly pattern sheet for Stalcup’s Cripple Emerger.
Color to match body
Hen soft hackle
Ice Dub – trude style
Stalcup’s Cripple Emerger can be found Shane’s Mayflies “Top to Bottom”. He includes variations in olive, yellow, and gray.
Here is a link to a Youtube page from my friend John Sherry – Netknots Fly Fishing of Shane tying the fly.