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.
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This one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
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Trout Stream Insects, Page 5
Trout Stream Insects, Page 5
Visit the Trout Stream Insects section for thousands of closeups of mayflies, stoneflies, caddisflies, and others, along with detailed information about their life cycles and relevance to angling. This section showcases a few favorites.
