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Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Mayfly Genus Iswaeon (Tiny Blue-Winged Olives)

This genus currently contains three species, only one of which is important to anglers. See Iswaeon anoka for details.

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» Genus Iswaeon (Tiny Blue-Winged Olives)
Species in Iswaeon
Iswaeon anokaTiny Blue-Winged Olive00
2 species (Iswaeon davidi and Iswaeon rubrolaterale) aren't included.
Genus Range
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