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.

Turquoise view of Upper Titcomb Lake

From Titcomb Basin in Wyoming

Stream photos

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Neoleptophlebia Mayfly Nymph Neoleptophlebia Mayfly Nymph

Dorsal view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the Yakima River in Washington

Some characteristics from the microscope images for the tentative species id: The postero-lateral projections are found only on segment 9, not segment 8. Based on the key in Jacobus et al. (2014), it appears to key to Neoleptophlebia adoptiva or Neoleptophlebia heteronea, same as this specimen with pretty different abdominal markings. However, distinguishing between those calls for comparing the lengths of the second and third segment of the labial palp, and this one (like the other one) only seems to have two segments. So I'm stuck on them both. It's likely that the fact that they're immature nymphs stymies identification in some important way.

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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.

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.

Texas

Jjlyon01
SUNY Environmental Science and Forestry, Syracuse

Posts: 71

Jjlyon01 on May 17, 2008May 17th, 2008, 12:01 pm EDT

Im here in Texas at the Attwater Prairie Chicken National Wildlife Refuge and am dying for trout. All these pictures being posted is making my mouth water. I finally had a day off from the average 14 hour days of collecting bugs to feed to the chicks or building pens or feeding the chicks and was able to drive into Houston with a friends car and pick up my license, a few new flies and some advice from Bass Pro Shops. There are no trout here besides the speckled trout. Many large bass and other panfish unfortunately I haven't had time to find them yet. I am really excited to try my hand at redfish and seatrout but I have to wait for another day off. If anyone has some information that may help me out I will be able to post some pictures of fish hopefully and I will put some up of the prairie and its flora and fauna once I can get my camera cord from New York.
Have fun playing with trout.

"I now walk into the wild"