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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 Holocentropus (Polycentropodidae) Caddisfly Larva from the Yakima River in Washington
This one seems to tentatively key to Holocentropus, although I can't make out the anal spines in Couplet 7 of the Key to Genera of Polycentropodidae Larvae nor the dark bands in Couplet 4 of the Key to Genera of Polycentropodidae Larvae, making me wonder if I went wrong somewhere in keying it out. I don't see where that could have happened, though. It might also be that it's a very immature larva and doesn't possess all the identifying characteristics in the key yet. If Holocentropus is correct, then Holocentropus flavus and Holocentropus interruptus are the two likely possibilities based on range, but I was not able to find a description of their larvae.
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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Male Leptoceridae Caddisfly Adult Pictures

Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Ruler view of a Male Leptoceridae Caddisfly Adult from the Madison River in Montana The smallest ruler marks are 1 mm.
Lateral view of a Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Ventral view of a Male Leptoceridae Caddisfly Adult from the Madison River in Montana
Male Leptoceridae Caddisfly Adult from the Madison River in Montana

This caddisfly was collected from the Madison River in Montana on June 29th, 2019 and added to Troutnut.com by Troutnut on July 17th, 2019.


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Male Leptoceridae Caddisfly Adult Pictures

Collection details
Location: Madison River, Montana
Date: June 29th, 2019
Added to site: July 17th, 2019
Author: Troutnut
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