Blue-Winged Olive
063-10
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The Blue-Winged Olive is the classic hackled dun for the hatch that defines technical dry fly fishing. An olive body, slate-gray hackle and wings, and fine tails match the Baetis mayflies that emerge on the worst weather days of spring and fall—when the fishing is best.
BWOs hatch when it's cold, gray, and drizzly, and trout feed on them with quiet confidence. This is the standard imitation every box carries because the hatch happens everywhere, all season.
Best for:
- Spring and fall Baetis hatches
- Overcast, drizzly afternoons
- Tailwaters and spring creeks
📌 Pro Tip: The nastier the weather, the better the BWO fishing—the duns ride longer in cold air, and trout know the window is open. Bundle up and stay out.