Fishing the BWO Nymph Fly for More Trout

If you've spent much time on a trout stream, you probably already know that a bwo nymph fly is an absolute staple in any fly box. It's not just a pattern for the spring or fall hatches; it's one of those flies that can save a slow day when nothing else seems to be moving. While a lot of guys get excited about the dry fly action—and don't get me wrong, seeing a snout poke through the surface is great—the reality is that trout do most of their eating underwater. That's where the Blue Winged Olive (BWO) nymph spends the vast majority of its life. ...

April 25, 2026 · 6 min · Georg Clise