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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Dorsal view of a Limnephilidae (Giant Sedges) Caddisfly Larva from the Yakima River in Washington
This specimen resembled several others of around the same size and perhaps the same species, which were pretty common in my February sample from the upper Yakima. Unfortunately, I misplaced the specimen before I could get it under a microscope for a definitive 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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Pteronarcys californica (Giant Salmonfly) Stonefly Nymph Pictures

Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Lateral view of a Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Dorsal view of a Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Ventral view of a Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana
Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Nymph from the Gallatin River in Montana

This stonefly was collected from the Gallatin River in Montana on July 2nd, 2019 and added to Troutnut.com by Troutnut on July 18th, 2019.


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Pteronarcys californica (Giant Salmonfly) Stonefly Nymph Pictures

Collection details
Location: Gallatin River, Montana
Date: July 2nd, 2019
Added to site: July 18th, 2019
Author: Troutnut
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