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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 Amphizoa (Amphizoidae) Beetle Larva from Sears Creek in Washington
This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
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 Lepidostoma (Little Brown Sedge) Caddisfly Adult Pictures

Each rule mark is 1/16 inch.

Ruler view of a Male Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho The smallest ruler marks are 1 mm.
Ventral view of a Male Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
Lateral view of a Male Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho
Dorsal view of a Male Lepidostoma (Lepidostomatidae) (Little Brown Sedge) Caddisfly Adult from the Henry's Fork of the Snake River in Idaho

This caddisfly was collected from the Henry's Fork of the Snake River in Idaho on August 11th, 2018 and added to Troutnut.com by Troutnut on June 12th, 2019.

Discussions of this Adult

Lepidostoma
Posted by Creno on Jun 14, 2019
Last reply on Jun 14, 2019 by Creno
one of the L. pluviale group males.

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References

Male Lepidostoma (Little Brown Sedge) Caddisfly Adult Pictures

Collection details
Location: Henry's Fork of the Snake River, Idaho
Date: August 11th, 2018
Added to site: June 12th, 2019
Author: Troutnut
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