Header image
Enter a name
Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Outlet stream 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 AdultFemale 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.

Caddisfly Species Pycnopsyche lepida (Great Autumn Brown Sedges)

Where & when

This is the most abundant midwestern species of Pycnopsyche. It may share streams with Pycnopsyche guttifer. It can be very abundant.

In 71 records from GBIF, adults of this species have mostly been collected during August (31%), September (28%), July (24%), and October (10%).

In 26 records from GBIF, this species has been collected at elevations ranging from 177 to 9186 ft, with an average (median) of 2822 ft.

Species Range
Map of specific collection sites

Start a Discussion of Pycnopsyche lepida

References

Caddisfly Species Pycnopsyche lepida (Great Autumn Brown Sedges)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Limnephilidae (Giant Sedges)
  6. » Genus Pycnopsyche (Great Autumn Brown Sedges)
  7. » Species lepida (Great Autumn Brown Sedges)
Species Range
Map of specific collection sites
Common Names
Resources
Troutnut.com is copyright © 2004-2024 (email Jason). privacy policy