Overview
The Upright Baetis Dun was developed at Blue Ribbon Flies to complement their emerger patterns when fish prefer fully emerged duns. The EP Trigger Point wing material creates a subtle, translucent wing that matches the appearance of Baetis wings. The barbless Tiemco 206BL hook allows for quick, easy releases.
Related patterns
Behavior & presentation
- Natural Behavior
- Fully emerged baetis duns float with wings held upright while their bodies dry, riding extended drifts during cool weather when damp conditions delay flight. Their prolonged surface exposure during overcast days creates predictable feeding opportunities.
- Where Trout Eat It
- Fish rise methodically in flats, slicks, and slow runs where emerged duns drift during extended float times.
- How to Fish It
- Present with drag-free drift riding high in the film, matching the upright wing posture of fully emerged naturals.
- Best Water
- Target slicks where duns float motionless, runs with consistent surface currents, and tail-outs collecting drifting emergers.
- Strike Type
- Watch for deliberate sipping rises as fish confidently intercept drifting duns with minimal splash.
Fishing strategy
- Rigging Suggestions
- Fish on 12-15 foot leader with 6X-7X tippet. The barbless hook requires careful fish playing but allows easy release. Keep the wing dressed with floatant.
- Seasonal Timing
- Most effective during (March-May) and (September-November) Baetis hatches. These are the prime seasons for BWO activity on most waters.
- Pro Tips
- The BWO Trigger Point wing provides good visibility while maintaining a realistic profile. The Ice Dub thorax adds subtle flash.
Where to fish it
Rivers anglers pair with this fly, with local shops that stock it.
River details and fly shops from River & Run, our sister site.
Entomology
Blue-winged olive duns emerge in cool weather and ride the current with wings held upright like tiny sailboats, unable to fly immediately in cold or damp conditions. Their extended float time in challenging weather makes them particularly attractive to selective trout that feed methodically during these prolonged hatches.
- Order
- Ephemeroptera
- Family
- Baetidae
- Common name
- Blue-Winged Olive
- Organism
- insect
- Life stage
- adult
Pattern details
- Moving Water
- Rocky Mountain
- dead-drift
- baetis-hatch
- low-clear-water
- tailwater
- freestone
- spring-creek
- flats