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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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Male Heptagenia adaequata Mayfly Spinner Pictures

Collected near the Columbia River at Pasco, WA.

This mayfly was collected from the Columbia River in Washington on July 22nd, 2012 and added to Troutnut.com by Bnewell on July 26th, 2012.

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Taxonomy

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Heptageniidae (March Browns, Cahills, Quill Gordons)

» Genus Heptagenia

» Species adaequata

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