Rainbow Sow Bug
Sow bugs (Isopoda) are not found in every river, but when they are present you can bet the fish love them. The rainbow sow bug is my favorite variation, and has produced very well for me on every river I fish that is home to sow bugs. This is a simple pattern that has only a few steps and materials involved. Don’t let the simpleness of this pattern fool you. Tie, try, and simplify your ways of catching fish with sow bugs.
Step by Step
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Using hemostats, smash lead flat on the hook to flatten the overall profile of the fly. The extra wraps of thread keep the lead from crumbling off the hook.

Tie in the black flash lined up with the top of the hook. Tie in the wire on the far side of the hook.

Wrap wire four of five times over the dubbing and tie off behind the eye. Wrap tightly since this will keep the fly intact.













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