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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.

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.

Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Aug 27, 2006August 27th, 2006, 10:14 am EDT
According to a group of Oregon State University researchers, sublethal level of exposure to pyrethroids (a class of synthetic pesticides derived from naturally occuring chemicals in chrysanthemums) are causing caddisfly larvae to prematurely abandon their cases, and be incapable of rebuilding them with satisfactory substitutes.

Here is a link to the full text of the news release.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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