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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

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

27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
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Arthropod Class Collembola (Springtails)

Collembola are actually a subclass of a class called Entognatha. They are the most common of the only six-legged arthropods (Hexapods) that aren't insects. Many Collembolans are terrestrial, but some live on the surface of their water, and they can be a supplemental food source for trout, especially young-of-the-year trout.

They rarely grow longer than 6mm or occur in trout streams in such numbers that an imitation with a fly is warranted, but they are interesting creatures.

1 Streamside Picture of Springtails:


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Arthropod Class Collembola (Springtails)

Taxonomy
8 orders (Entomobryidae, Hypogastruridae, Isotomidae, Mackenziellidae, Neelidae, Onchyiuridae, Onychiuridae, and Sminthuridae) aren't included.
Common Name
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