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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 Kogotus (Perlodidae) Stonefly Nymph from Mystery Creek #199 in Washington
This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.
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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Ephemerella tibialis (Little Western Dark Hendrickson) Mayfly Nymph Pictures

Ruler view of a Ephemerella tibialis (Ephemerellidae) (Little Western Dark Hendrickson) Mayfly Nymph from Mystery Creek #249 in Washington The smallest ruler marks are 1 mm.
Dorsal view of a Ephemerella tibialis (Ephemerellidae) (Little Western Dark Hendrickson) Mayfly Nymph from Mystery Creek #249 in Washington
Ventral view of a Ephemerella tibialis (Ephemerellidae) (Little Western Dark Hendrickson) Mayfly Nymph from Mystery Creek #249 in Washington

This mayfly was collected from Mystery Creek #249 in Washington on July 25th, 2019 and added to Troutnut.com by Troutnut on July 26th, 2019.


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Ephemerella tibialis (Little Western Dark Hendrickson) Mayfly Nymph Pictures

Collection details
Location: Mystery Creek #249, Washington
Date: July 25th, 2019
Added to site: July 26th, 2019
Author: Troutnut
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