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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.

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.

This topic is about the Caddisfly Species Macrostemum zebratum

The "Zebra Caddis" is one of the most well-known caddisfly species, and one of the largest to produce high intensity hatches on our trout streams.

It is also an important species for smallmouth bass. Gary LaFontaine wrote in Caddisflies about encountering Macrostemum zebratum on a large smallmouth river:

I never caught so many smallmouth bass on a fly rod before in my life.
Lastchance
Portage, PA

Posts: 437
Lastchance on Aug 4, 2008August 4th, 2008, 1:24 pm EDT
Is there a photo of one? I've never heard of them or perhaps I know them by a different name.
Taxon
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Site Editor
Plano, TX

Posts: 1311
Taxon on Aug 4, 2008August 4th, 2008, 5:52 pm EDT
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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