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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.

Stonefly Species Sweltsa borealis (Sallfly)

Specimens of the Stonefly Species Sweltsa borealis

1 Adult

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Species Range
Common Name
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