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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 Glossosoma (Glossosomatidae) (Little Brown Short-horned Sedge) Caddisfly Larva from the Yakima River in Washington
I caught this tiny larva without a case, but it seems to key pretty clearly to to Glossosomatidae. From there, the lack of sclerites on the mesonotum points to either Glossosoma or Anagapetus. Although it's difficult to see in a 2D image from the microscope, it's pretty clear in the live 3D view that the pronotum is only excised about 1/3 of its length to accommodate the forecoxa, not 2/3, which points to Glossosoma at Couplet 5 of the Key to Genera of Glossosomatidae 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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PESCATORE has attached this picture. The message is below.
PESCATORE
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Rancho Cordova, CA

Posts: 17
PESCATORE on Jul 3, 2018July 3rd, 2018, 9:38 am EDT
Greetings:

Last week I was working on some Shad in the American River, great practice for Steelhead season, which comes later in the year. I had my waterproof camera in tow so; I decided to shoot up river headed east. The famous Clay Banks can be seen to the right of the frame. I was wading in about four feet of water, 80 feet from the center of the river.

Enjoy,

Don

Don

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