Sulphur Comparadun
The Sulphur Comparadun is a hackleless yellow mayfly dry, deadly during late spring and early summer Sulphur hatches on eastern and midwestern trout streams. Strong for searches like Sulphur dry fly pattern, hackleless Sulphur mayfly, and best Sulphur hatch dry fly.
Imitates: Sulphur (Ephemerella invaria/dorothea) dun
Quick Reference
- Best Sizes
- #16-18
- Best Season
- Late spring through midsummer
- Best Conditions
- Evening hatches on freestone rivers and limestoners
- Water Temp
- 55-68°F
- Recommended Tippet
- 5X-6X
How to Rig It
Single dry during Sulphur emergence; carry spinner pattern for nightfall.
How to Present It
Dead-drift across rising fish; reach cast to avoid lining them.
Why It Works
The pale yellow body and flush profile match Sulphurs perfectly — and the deer-hair wing stays visible in fading light.
History
An adaptation of the Caucci/Nastasi Comparadun for the Sulphur hatches of the East, especially the Letort and Penns Creek.
Pro Tip
Sulphurs hatch in waves over 2-3 hours. Stay in one spot — feeding lanes activate as bugs come off.
Frequently Asked Questions
What size for Sulphurs?+
#16 for E. invaria in early summer, #18 for the smaller E. dorothea later in the season.
Not sure if Sulphur Comparadun is right today?
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