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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Skwala (Large Springfly) Stonefly Nymph Skwala (Large Springfly) Stonefly Nymph

Dorsal view of a Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington

This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.

6 Recently Added Photos

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 Baetidae (Blue-Winged Olive) Mayfly Dun Pictures

Lateral view of a Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington

Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington

Each ruler mark is 1/16 inch

Female Baetidae (Blue-Winged Olive) Mayfly Dun from the North Fork Stillaguamish River in Washington

This mayfly was collected from the North Fork Stillaguamish River in Washington on July 11th, 2017 and added to Troutnut.com by Troutnut on July 12th, 2017.

Discussions of this Dun

Id?

Posted by Taxon on Jul 12, 2017

Last reply on Jul 12, 2017 by Taxon

Hi Jason-

Diphetor hageni female subimago would be my guess. What do you think?

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