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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.

Dorsal view of a Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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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Stonefly Species Isogenoides elongatus (Springflies)

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

Stonefly Species Isogenoides elongatus (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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