The Montana Stone, by contrast, uses few materials and is relatively simple to fashion. Im not sure who the clear-cut originator for the Montana, as it is often called. Without question, however, it is a fly of Western birth that has migrated east. A color variation, Ted's Stone (brown tails, brown body and wingcase, orange thorax, and brown hackle) was created by the late Field and Stream writer, Ted Trueblood. Both patterns produce well on Eastern streams where Plecoptera are present.