J:son Tungsten Stonefly Nymph 4 Black #12 Barbless Segmented Body It cuts through the surface

It cuts through the surface tension and water resistance

Precision for the Early Season

blending perfectly with the natural camouflage of real insects in almost any environment

It is designed to get down to the riverbed where fish are actively looking for drifting insects

The "Winter Stone" Specialist: Many small stonefly species hatch during the coldest months

J:son Tungsten Stonefly Nymph 4 Black #12 Barbless Segmented Body It cuts through the surfaceStonefly Nymphs The Year Round Secret Why Stonefly Nymphs are a must have: Protein Power: These nutrient rich nymphs are a primary food source for trout and grayling all year long. Easy Targets: As poor swimmers, they often lose their grip and drift downstream, becoming an effortless "snack" for waiting fish. Bottom Dwellers: Unlike many insects, they don't swim to the surface to hatch; they crawl to the shore. This keeps them in the "strike zone"