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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 Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington
This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.
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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Female Ameletus (Brown Dun) Mayfly Spinner Pictures

I found this female already spent and nearly dead, laying in the surface film of a very tiny spring seep (inch-deep water) in the valley of a very small trout stream.

Lateral view of a Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Ventral view of a Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Dorsal view of a Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington
Ruler view of a Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington The smallest ruler marks are 1 mm.
Female Ameletus (Ameletidae) (Brown Dun) Mayfly Spinner from Mystery Creek #199 in Washington

This mayfly was collected from Mystery Creek #199 in Washington on July 28th, 2019 and added to Troutnut.com by Troutnut on July 30th, 2019.


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Female Ameletus (Brown Dun) Mayfly Spinner Pictures

Collection details
Location: Mystery Creek #199, Washington
Date: July 28th, 2019
Added to site: July 30th, 2019
Author: Troutnut
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