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.

View from atop the permafrost slump

From the Selawik River in Alaska

Stream photos

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Hydropsyche (Spotted Sedge) Caddisfly Larva Hydropsyche (Spotted Sedge) Caddisfly Larva

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington

With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.

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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.

Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Varicolored Microcaddisflies

This common name refers to only one genus. Click its scientific name to learn more.

Caddisfly Genus Hydroptila

These are often called Varicolored Microcaddisflies.

There is a wide range of behaviors, locations, and emergence times within this diverse genus. Several species may be important and most trout streams hold at least one of them.

Hydroptila (Varicolored Microcaddis) Caddisfly Larva

1 Picture

Hydroptila (Hydroptilidae) (Varicolored Microcaddis) Caddisfly Larva from the Flathead River-Upper in Montana

Collected April 7, 2005 from the Flathead River-Upper in Montana

Added by Bnewell on June 27, 2011

Collected April 7, 2005 from the Flathead River-Upper in Montana and added by Bnewell on June 27, 2011