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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.

Dorsal view of a Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington
This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.
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 Chauliodes rastricornis (Fishfly) Hellgrammite Adult Pictures

Lateral view of a Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Ruler view of a Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin The smallest ruler marks are 1 mm.
Ventral view of a Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Artistic view of a Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Dorsal view of a Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin
Female Chauliodes rastricornis (Corydalidae) (Fishfly) Hellgrammite Adult from Devil's Creek in Wisconsin

This hellgrammite was collected from Devil's Creek in Wisconsin on June 14th, 2021 and added to Troutnut.com by Troutnut on June 21st, 2021.


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Female Chauliodes rastricornis (Fishfly) Hellgrammite Adult Pictures

Collection details
Location: Devil's Creek, Wisconsin
Date: June 14th, 2021
Added to site: June 21st, 2021
Author: Troutnut
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