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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.

Dorsal view of a Amphizoa (Amphizoidae) Beetle Larva from Sears Creek in Washington
This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
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.

Male Callibaetis ferrugineus (Speckled Dun) Mayfly Dun Pictures

This is one of four specimens I photographed together from the same hatch, also including a nymph, a female dun, and a male spinner.

Lateral view of a Male Callibaetis ferrugineus (Baetidae) (Speckled Dun) Mayfly Dun from Mystery Creek #304 in Idaho
Ventral view of a Male Callibaetis ferrugineus (Baetidae) (Speckled Dun) Mayfly Dun from Mystery Creek #304 in Idaho
Dorsal view of a Male Callibaetis ferrugineus (Baetidae) (Speckled Dun) Mayfly Dun from Mystery Creek #304 in Idaho
Ruler view of a Male Callibaetis ferrugineus (Baetidae) (Speckled Dun) Mayfly Dun from Mystery Creek #304 in Idaho The smallest ruler marks are 1 mm.

This mayfly was collected from Mystery Creek #304 in Idaho on July 23rd, 2022 and added to Troutnut.com by Troutnut on January 15th, 2023.


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Male Callibaetis ferrugineus (Speckled Dun) Mayfly Dun Pictures

Collection details
Location: Mystery Creek #304, Idaho
Date: July 23rd, 2022
Added to site: January 15th, 2023
Author: Troutnut
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