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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Amphizoa Beetle Larva Amphizoa Beetle Larva

Dorsal view of a Amphizoa (Amphizoidae) Beetle Larva from Sears Creek in Washington

This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).

5 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.

Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Caenis (Angler's Curse) Mayfly Nymph Pictures

Ventral view of a Caenis (Caenidae) (Angler's Curse) Mayfly Nymph from the Marengo River in Wisconsin

Dorsal view of a Caenis (Caenidae) (Angler's Curse) Mayfly Nymph from the Marengo River in Wisconsin

Caenis (Caenidae) (Angler's Curse) Mayfly Nymph from the Marengo River in Wisconsin

This mayfly was collected from the Marengo River in Wisconsin on June 5th, 2005 and added to Troutnut.com by Troutnut on May 25th, 2006.

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References

Merritt R.W., Cummins, K.W., and Berg, M.B. 2019. An Introduction to the Aquatic Insects of North America (Fifth Edition). Kendall/Hunt Publishing Company.