Why Do Bugs Drift?

Discover why aquatic insects drift in river currents: from adaptive behavioral drift to sudden catastrophic drift. What does it means for trout streams?

indicator nymphing, fly fishing, euro nymphing, stoneflies, caddisflies, mayflies, stonefly, caddisfly, mayfly, hatch, perdigon, copper john, zebra midge, split shot, tailwater, freestone