Montanna Stonefly Nymph (weighted)
Hook - Mustad 3972 or 38941 (2 to 12)
Thread - Black
Tail
- Black goose quill barbules or hackle barules
Abdomen - Black chenille
Thorax
- Yellow chenille
Legs - Black hackle palmered
over thorax
Wingcase - Two strands
of black chenilletied down over top of thorax
