The Sulfur Dun is the dorothea
species the huge Ephemerella
genus. This is one of those
mayflies that is commonly
called both "Sulfer Dun" as well
as "Pale Evening Dun" and
another good reason for using
scientific names. These mayflies
usually start hatching mid to late
afternoon.
Nymph
Spinner
Emerger with
Trailing Shuck
Emerger
Dun
Mayflies: Sulfur Dun
Sulfur Dun (Imitations)
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Fishing Information
Fishing Information
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Copyright 2008 James Marsh
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Additional Image of a
Sulfer Dun
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