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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.

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Mayfly Species Heptagenia adaequata

There is no report of this rare species being important to anglers.
Species Range

Specimens of the Mayfly Species Heptagenia adaequata

1 Male Spinner

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Mayfly Species Heptagenia adaequata

Species Range
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