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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

The North Fork Couer d'Alene River in Idaho

Stream photos

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Hydropsyche (Spotted Sedge) Caddisfly LarvaHydropsyche (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.

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  3. The South Fork of the White River

  1. Trout Streams
    2. ›
  2. Wisconsin
    3. ›
  3. The South Fork of the White River

Landscape & scenery photos from the South Fork of the White River

I took several underwater photos of caddis larvae here. From the South Fork of the White River in Wisconsin

Underwater photos from the South Fork of the White River

This underwater log hosts hundreds of caddisfly larvae, some in cases and some in spiderweb-like lairs. From the South Fork of the White River in Wisconsin
The caddis larvae in this picture built their cases from tiny pebbles. From the South Fork of the White River in Wisconsin
A few caddis larvae cling to this partially submerged clump of streamside grass. From the South Fork of the White River in Wisconsin
Several caddisfly larvae in their cases cling to the debris in this picture. From the South Fork of the White River in Wisconsin
Several caddis larvae cling in the current amongst the debris collected on an underwater alder branch. From the South Fork of the White River in Wisconsin
Here's the underside of a "lunker structure", a manmade undercut bank where trout love to hang out. It's amazing how much I've seen the trout use these things. I've also noticed that the best trout populations I've seen are in streams where lunker structures have been installed. From the South Fork of the White River in Wisconsin
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