Nymph
Stonefly Nymph
Generic fast-water stonefly
Trout · GraylingSubsurface
Generic weighted stonefly nymph fished deep and dead-drift — the staple subsurface food on fast, well-oxygenated rivers; the killer on alpine and freestone water.
Fish this when
On fast, well-oxygenated freestone or alpine rivers with no specific hatch to match, dead-drifted hard on the bottom through riffles and boulder runs.
Why it works
Stoneflies live two to three years as nymphs before hatching, so a generic weighted imitation is matching a food source that's genuinely always present rather than a fleeting hatch window.
Naturals it imitates
generic stonefly nymph
Typical zone & fishable range
usually
Surface
Film
Subsurface
Deep
Setup sensitivity: medium
Quick facts
Tying difficulty
Intermediate