Salmonflies
Pteronarcys californica
The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
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Miniature Blue-Winged Olives
This common name refers to only one genus. Click its scientific name to learn more.
Mayfly Genus Acentrella
These are often called Miniature Blue-Winged Olives.
The only Acentrella species commonly reported to be important to anglers is Acentrella turbida, though Acentrella insignificans is important in some western locales. See the species pages for distribution and timing details. This genus is one of two (including Heterocloeon) that can easily be distinguished from other Baetidae genera by the presence of a conical mesonotal projection. A. turbida lacks hindwings which is useful for distinguishing this species from all others in either genera. A. turbida was previously known by the names of its synonyms Pseudocloeon turbidum in the West and Pseudocloeon carolina in the East.
I've lost the date information for this specimen and taken a guess.
Another nymph probably of the same species as this one emerged and was photographed as a dun and partly-molted spinner.
See 4 more specimens...