Bitterroot Olive Stonefly
Imitates adult Skwala stoneflies, a spring hatch that is often missed by Western fly anglers.
How to Fish
Like most other stoneflies, Swalas emerge on land, so adults are not available to trout when they hatch. But some are blown or blunder out of overhanging trees and fall on the water, and females return to the river to lay their eggs.
So use standard dry fly presentations near bankside vegetation, over riffles, and just below riffles.
HOOK: TMC 5263 or 200R, sizes 6-10
TAIL: Olive-dyed elk hair
BODY: Brown-olive dubbing
UNDERWING: Brown-dyed moose or elk
OVERWING: White calftail
HACKLE: Olive grizzly. Clip the underside so the fly rides low in the water.
HEAD: Elk or moose tied bullet-style