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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.

Lateral view of a Psychodidae True Fly Larva from Mystery Creek #308 in Washington
This wild-looking little thing completely puzzled me. At first I was thinking beetle or month larva, until I got a look at the pictures on the computer screen. I made a couple of incorrect guesses before entomologist Greg Courtney pointed me in the right direction with Psychodidae. He suggested a possible genus of Thornburghiella, but could not rule out some other members of the tribe Pericomini.
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.

Stonefly Species Isogenoides colubrinus (Springflies)

No information for Isogenoides colubrinus is online yet, so it's not included in the main link structure of the site.

Stonefly Species Isogenoides colubrinus (Springflies)

Taxonomy
Species Range
Resources
  • NatureServe
  • Integrated Taxonomic Information System
  • Global Biodiversity Information Facility
  • Described by Hagen, H.A. (1874) Report of the Pseudo-Neuroptera and Neuroptera collected by Lieut. W. L. Carpenter in 1873 in Colorado. In: Annual Report on the United States Geological and Geographical Survey of the Territories, embracing Colorado, being a report of progress of the explorations for the year 1873. U. S. Geological Survey, Washington, D.C., pp. 571–606.
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