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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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Chironomidae (Midge) True Fly Pupa Pictures

Ruler view of a Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington The smallest ruler marks are 1 mm.
Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington
Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington
Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington
Lateral view of a Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington
Dorsal view of a Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington
Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington
Ventral view of a Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington
Chironomidae (Midge) True Fly Pupa from the Yakima River in Washington

This true fly was collected from the Yakima River in Washington on September 12th, 2020 and added to Troutnut.com by Troutnut on September 19th, 2020.


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Chironomidae (Midge) True Fly Pupa Pictures

Collection details
Location: Yakima River, Washington
Date: September 12th, 2020
Added to site: September 19th, 2020
Author: Troutnut
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