Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin

Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Of all the pools I've fished, this one was most deserving of the colorful little brook trout it held.

From Mystery Creek # 89 in New York

Stream photos

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Tricorythodes (Trico) Mayfly Nymph Tricorythodes (Trico) Mayfly Nymph

Dorsal view of a Tricorythodes (Leptohyphidae) (Trico) Mayfly Nymph from Mystery Creek #308 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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