Stonefly imitation on #6 hook made mostly out of a dubbing brush on thin wire. The thorax base is wrapped out of thin copper wire. At the belly the brush is spiraled on top on a polyethylene film layer.
The thorax of the stonefly imitation could be made out of a metal bead. Materials – dubbing brush, biots, rubber legs
An imitation of a cased caddis fly (dubbing brush, plastic beads)
These flies are made same was as some flies popular in the Lake Baikal area. The summer will show if the Amur grayling will like these flies as much as the Baikal grayling.