Blue Winged Olive (Dun)
A dun fly imitating Baetis, fished in March, April, May, September, October, November across the Northeast, Midwest, Rocky Mountain, Pacific Northwest.
Open in Hatch Matcher →Quick facts
- Stage: Dun
- Imitates: Baetis
- Hook sizes: #18, #20, #22
- Difficulty: Advanced
- Water temp: 42–55°F
- Water types: Freestone, Spring Creek, Tailwater
- Best months: March, April, May, September, October, November
- Regions: Northeast, Midwest, Rocky Mountain, Pacific Northwest
- Target species: Brown Trout, Rainbow Trout, Brook Trout, Whitefish, Grayling
How to tie the Blue Winged Olive (Dun)
Hook: Tiemco TMC 100 or dry fly hook, sizes 18-22
Thread: Uni 8/0 Olive
Materials
- Hook: Tiemco TMC 100, #18-22
- Thread: Uni 8/0 Olive
- Tail: Blue dun hackle fibers (split)
- Body: Olive dubbing or stripped peacock quill
- Wing: Gray poly wing or CDC upwings
- Hackle: Blue dun dry fly hackle
Tying steps
- Mount dry fly hook. Start thread behind eye and tie in gray poly wing upright.
- Figure-eight thread to divide wing into two upright sections.
- Wrap thread to bend; tie in 6-8 blue dun hackle fibers, split with figure-eight to form a cocked tail.
- Dub a slim tapered olive body from bend to behind wing.
- Tie in a blue dun hackle feather behind the wing.
- Wrap hackle 3-4 turns behind and 2 turns in front of wing, tie off.
- Build a small neat head, whip finish, apply head cement.