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.

View from Upper to Lower 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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Lepidoptera (Moth) Insect Adult Pictures

In the field, I accidentally mistook this moth for a weird-looking caddisfly. Only later did I notice the moth mouthparts and that the "hair" on the wings is actually tiny, flat scales.

Lateral view of a Lepidoptera (Moth) Insect Adult from the Henry's Fork of the Snake River in Idaho

Ventral view of a Lepidoptera (Moth) Insect Adult from the Henry's Fork of the Snake River in Idaho

Lepidoptera (Moth) Insect Adult from the Henry's Fork of the Snake River in Idaho

Dorsal view of a Lepidoptera (Moth) Insect Adult from the Henry's Fork of the Snake River in Idaho

Ruler view of a Lepidoptera (Moth) Insect Adult from the Henry's Fork of the Snake River in Idaho The smallest ruler marks are 1 mm.

This insect was collected from the Henry's Fork of the Snake River in Idaho on July 31st, 2020 and added to Troutnut.com by Troutnut on August 17th, 2020.

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