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.

A small spring creek in Wisconsin. A little brook trout stream tumbles over boulders

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 Hesperophylax designatus (Silver Striped Sedge) Caddisfly Adult Pictures

This caddisfly was collected from the Touchet River in Washington on September 5th, 2011 and added to Troutnut.com by Bnewell on September 14th, 2011.

Discussions of this Adult

Gender

1 replies

Posted by JpMcKenzie on Dec 16, 2017

Last reply on Dec 16, 2017 by Creno

Hey! How would you tell this is a female? thank you!

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