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.

Outlet stream of Upper Titcomb Lake

From Titcomb Basin in Wyoming

Stream photos

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Female Hydropsyche (Spotted Sedge) Caddisfly Adult Female Hydropsyche (Spotted Sedge) Caddisfly Adult

Lateral view of a Female Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Adult from the Columbia River in Washington

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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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Suwallia sp.

Millcreek has attached these 5 pictures. The message is below.

Millcreek
Healdsburg, CA

Posts: 344

Millcreek on Jun 9, 2017June 9th, 2017, 4:35 pm EDT

These nymphs are common in the Russian River. Suwallia nymphs are usually found in tail-outs of rapids at depths of about 6 inches on a gravel bottom. They measure 10-13 mm not including the cerci and antennae. The nymphs are found from early March to July.

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