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 beautiful braided reach of the Sag River, with the Philip Smith Mountains in the Arctic National Wildlife Refuge (ANWR) in the background.

From the Sagavanirktok River in Alaska

Stream photos

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Lateral view of a Coleoptera (Beetle) Insect Larva from Sears Creek in Washington

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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.

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Discuss Ephemerella invaria

You can create new topics in this section from each hatch's page in the insect section.

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rotunda
Jan 25, 2015 by CharlieBugs in species Ephemerella invaria

Feb 1, 2015
by Gutcutter

Aw Shucks
May 19, 2009 by Martinlf in species Ephemerella invaria

Jul 24, 2009
by Martinlf

Hatching Sulphur
Oct 14, 2008 by Martinlf in species Ephemerella invaria

Hex MayfliesHexagenia limbata

Troutnut Forum › Fly Hatch Talk > Discuss Ephemerella invaria