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.

Stream photos

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Female Skwala (Large Springfly) Stonefly Adult Female Skwala (Large Springfly) Stonefly Adult

Lateral view of a Female Skwala (Perlodidae) (Large Springfly) Stonefly Adult 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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Female Alloperla (Sallfly) Stonefly Adult Pictures

These little green stoneflies were the most common bug on a June day fishing the North Fork Couer d'Alene, although the trout never rose more than sporadically to them or anything else.

Lateral view of a Female Alloperla (Chloroperlidae) (Sallfly) Stonefly Adult from the North Fork Couer d'Alene River in Idaho

Female Alloperla (Chloroperlidae) (Sallfly) Stonefly Adult from the North Fork Couer d'Alene River in Idaho

Ruler view of a Female Alloperla (Chloroperlidae) (Sallfly) Stonefly Adult from the North Fork Couer d'Alene River in Idaho The smallest ruler marks are 1 mm.

Ventral view of a Female Alloperla (Chloroperlidae) (Sallfly) Stonefly Adult from the North Fork Couer d'Alene River in Idaho

This stonefly was collected from the North Fork Couer d'Alene River in Idaho on June 25th, 2019 and added to Troutnut.com by Troutnut on July 17th, 2019.

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