Hendrickson, Dark Hook sizes: 12-14 Wing: Wood Duck flank fibers, upright and divided Tail: Medium Dun cock hackle fibers Body: Gray Muskrat Fur. Hackle: Medium Dun cock hackle
The dark version of the Legendary Catskill Fly invented by Roy Steenrod and named after his fishing companion A. E. Hendrickson circa 1920