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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Isoperla (Stripetails and Yellow Stones) Stonefly Adult Isoperla (Stripetails and Yellow Stones) Stonefly Adult

Dorsal view of a Isoperla (Perlodidae) (Stripetails and Yellow Stones) Stonefly Adult from Mystery Creek #308 in Washington

9 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 Eurylophella temporalis (Chocolate Dun) Mayfly Dun Pictures

I found this specimen along with a male on the surface in the shallows of a long flat in a warm-water smallmouth bass stream, during the middle of the afternoon. This same individual is listed as a separate specimen after molting into a spinner.

Lateral view of a Female Eurylophella temporalis (Ephemerellidae) (Chocolate Dun) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

Artistic view of a Female Eurylophella temporalis (Ephemerellidae) (Chocolate Dun) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

Dorsal view of a Female Eurylophella temporalis (Ephemerellidae) (Chocolate Dun) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

Ventral view of a Female Eurylophella temporalis (Ephemerellidae) (Chocolate Dun) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin

Ruler view of a Female Eurylophella temporalis (Ephemerellidae) (Chocolate Dun) Mayfly Dun from the West Fork of the Chippewa River in Wisconsin The smallest ruler marks are 1 mm.

This mayfly was collected from the West Fork of the Chippewa River in Wisconsin on June 21st, 2021 and added to Troutnut.com by Troutnut on June 24th, 2021.

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