Hackle + Threads

Blue Wing Olive (Dun) — Fly Tying Pattern & Recipe

Blue Wing Olive (Dun)

September 15, 2025

Where you’ve got Blue Wing Olives, you’ll have trout snacking on this pattern. This is a great representation of a BWO dun.

Where I fish it

rivers

Target species

Cutthroat Trout Rainbow Trout Brown Trout Brook Trout

Recipe

15 minutes

Hook: Standard Dry Fly

Thread: Utc 140 Light Olive

Tail: Micro Fibbetts

Dubbing: Dry Fly In Bwo Color

Hackle: Dun

Wing: Z-yarn

Step 1

Start off with a standard dry fly hook. Here I’m tying on a size 18 hook.

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