Hook: TMC 3761BL #18
Bead: Glass amber or brown roccale Thread: 8/0 brown (brown used here), Mono: 5X maxima UG here.
The body color of this fly can be changed by using different thread or an underlay of a different material.
Place bead on hook. Tie in thread behind bead, wrap hook to bend, tie in mono then wind foward leaving a neat underbody. If you want an underlay tie it in now and wind it forward then tie off. Wind the mono forward and tie off
This variant has an underlay of pearl mylar.