Created by PA tyer Rudy Sentiwany in the1940s and popularized by now retired Colorado tyer Ed Rolka, this pattern can be difficult to find. It's a classic! it imitates a cased caddis larva very well. With a bead head, this fly gets down in a hurry.
Check out our Fly of the Week blog post on the Beadhead Breadcrust and Breadcrust here.