This realistic stonefly pattern is the closest ting to the real deal. the detail in this pattern is what the fish cant resist
Realistic Black Stonefly Nymph
Black Stonefly nymph
Black and Yellow Montana Stonefly Nymph for trout fishing
The Black Stonefly Nymph for trout fishing
Taeniopteryx (Early Black Stoneflies) Stonefly Nymph Pictures
Stonefly Nymph BLACK Bead Head Rubber Leg Size 8 (per 3)
View Fly Fishing Patterns and Trout Flies - South Platte Fly Shop
Fly Tying Simple Black Stonefly Nymph
Great heavy fly for trout and grayling feeding in the depths. Silicone legs create a lot of attractive movement.
Sili Legs Stonefly Jig Nymph - Black