The Sulphur Dun dry fly pattern has wings that are not quite dry, imitating a mayfly not quite ready to fly.
Sulphur Dun Dry Fly
Eastern Sulphur/Pale Evening Dun (Selected Aquatic Insects of
Transitional Dun - PMD/Sulphur Emerger
Sulphur Dun Wet
Steelhead Alley Outfitters- Lake Erie Fly Fishing Guide Service
Strategies for Fishing Sulphur and PMD Hatches - Fly Fisherman
Sulphur Dun - The Fly Shack Fly Fishing
The Sulphur Dun is the Eastern equivalent to the Pale Morning Dun of the West. Sulphurs usually hatch in the evening, (although they can hatch mid-day
Sulphur Dun, Fly Fishing Flies For Less
Sulphur Biot Dun-Discount Trout Flies- — Big Y Fly Co
, Sparkle Dun Sulphur - Dry Fly. An even more deadly variation of the world famous Sulphur Dun Dry Fly. The Sparkle Sulphur Dun is one of our
Sparkle Dun Sulpher - RF-4013
Sulphur Dun Spinner
