Callibaetis Dun
Callibaetis Dun is a traditional upright-wing mayfly dry for trout feeding on active Callibaetis hatches in lakes and slow water. It supports Callibaetis Dun fly, stillwater mayfly imitation, and trout hatch searches.
Imitates: Emerging and newly emerged Callibaetis duns
Quick Reference
- Best Sizes
- #14-18
- Best Season
- Late spring through early fall
- Best Conditions
- Stillwaters, coves, flats, and slow river edges
- Water Temp
- 56-70°F
- Recommended Tippet
- 5X-6X
How to Rig It
Fish it solo during active dun emergence when trout are cruising and taking adults confidently.
How to Present It
Keep casts gentle and drifts clean over calm or lightly riffled water.
Why It Works
Its upright wings and classic mayfly posture match what trout expect during a true dun hatch.
History
Callibaetis dun patterns are core lake flies anywhere mayfly hatches drive trout surface feeding.
Pro Tip
Pair it with a spinner pattern in your box because trout often switch stages quickly.
Frequently Asked Questions
What is Callibaetis Dun best for?+
It is best for active dun hatches on lakes and slow trout water.
Not sure if Callibaetis Dun is right today?
Get a fly recommendation based on live water temp, flow, sky, and time of day for any river in the US.
Open Fly Advisor
Map
Fly Guide