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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.
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Paraleptophlebia bicornuta (Mahogany Dun) Mayfly Nymph Pictures

This species is interesting because it is common in lakes as well as streams. It is one of the last species of the year to emerge in western Montana. Adults have been collected as late as October 15 weather permitting.

This mayfly was collected from Flathead Lake in Montana on July 31st, 2007 and added to Troutnut.com by Bnewell on June 26th, 2011.


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Paraleptophlebia bicornuta (Mahogany Dun) Mayfly Nymph Pictures

Collection details
Location: Flathead Lake, Montana
Date: July 31st, 2007
Added to site: June 26th, 2011
Author: Bnewell
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