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White-Winged Sulphurs

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This common name refers to only one genus.

Mayfly Genus Caenis

These are very rarely called White-Winged Sulphurs.
When the important hatches of Tricorythodes were first discovered by anglers, Caenis was given the credit. We now know that the Caenis mayflies are a different group, smaller and less common in trout streams, and they hatch in the evening instead of the morning.

They very rarely elicit selective feeding, but when they do they're very tough to match because they're often much smaller than size 28. This difficulty has earned them the nickname "Angler's Curse."
Caenis (Angler's Curses) Mayfly NymphCaenis (Angler's Curses) Mayfly Nymph View 4 PicturesI confirmed the identity of this nymph by looking at it under a microscope to be certain of the shape of its gills and head.
Collected January 31, 2004 from in
Added to by on January 25, 2006
Caenis (Angler's Curses) Mayfly DunCaenis (Angler's Curses) Mayfly Dun View 1 Pictures
Collected August 5, 2004 from in
Added to by on January 19, 2006
Caenis (Angler's Curses) Mayfly AdultCaenis (Angler's Curses) Mayfly Adult View 3 Pictures
Collected June 14, 2005 from in
Added to by on June 27, 2011
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