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.

Turquoise view of Upper Titcomb Lake

From Titcomb Basin in Wyoming

Stream photos

Featured on the forum

Re: Trico emergers
In the Mayfly Genus Tricorythodes by Bwoklink (Martinlf replied)

Re: Trico Tips
In the Mayfly Genus Tricorythodes by Martinlf

Re: UV spectrum and trout
In General Discussion by Martinlf

Re: closing the gender gap in flyfishing
In General Discussion by Konchu (Smallflyguy replied)

Re: Fishing Kupa River, Slovenia
In Fishing Reports by Slocum (Fish1 replied)

Female Hydropsyche (Spotted Sedge) Caddisfly Adult Female Hydropsyche (Spotted Sedge) Caddisfly Adult

Lateral view of a Female Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Adult from the Columbia River in Washington

7 Recently Added Photos

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.

Silver Striped Sedges

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

Caddisfly Genus Hesperophylax

These are often called Silver Striped Sedges.

These are very large caddisflies, up to 1.3 inches long as adults.

Female Hesperophylax designatus (Silver Striped Sedge) Caddisfly Adult

1 Picture

Female Hesperophylax designatus (Limnephilidae) (Silver Striped Sedge) Caddisfly Adult from the Touchet River in Washington

Collected September 4, 2011 from the Touchet River in Washington

Added by Bnewell on September 14, 2011

Collected September 4, 2011 from the Touchet River in Washington and added by Bnewell on September 14, 2011

Hesperophylax (Silver Striped Sedge) Caddisfly Larva

15 Pictures

Case view of a Hesperophylax (Limnephilidae) (Silver Striped Sedge) Caddisfly Larva from the South Fork Snoqualmie River in Washington

Based on both range maps and key characteristics, this larva is either Hesperophylax designatus, Hesperophylax alaskensis, or Hesperophylax occidentalis. However, the species key in Parker & Wiggins (1985) cannot separate these species as larvae.

Collected June 12, 2019 from the South Fork Snoqualmie River in Washington

Added by Troutnut on June 14, 2019

Collected June 12, 2019 from the South Fork Snoqualmie River in Washington and added by Troutnut on June 14, 2019

References

Parker, C. R., Wiggins, G. B. 1985. The Nearctic Caddisfly Genus Hesperophylax Banks (trichoptera: Limnephilidae). Canadian Journal of Zoology 63(10): 2443-2472.