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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.

Inlet of Upper Titcomb Lake From Titcomb Basin in Wyoming

Stream photos

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Tricorythodes (Trico) Mayfly NymphTricorythodes (Trico) Mayfly Nymph
Dorsal view of a Tricorythodes (Leptohyphidae) (Trico) Mayfly Nymph from Mystery Creek #308 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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Caddisfly Species Oligophlebodes sierra (Little Western Dark Sedges)

Where & when

This species is found along the Pacific Coast.

In 18 records from GBIF, adults of this species have been collected during July (28%), June (28%), August (22%), May (17%), and September (6%).

In 8 records from GBIF, this species has been collected at elevations ranging from 2733 to 6398 ft, with an average (median) of 5577 ft.

Species Range
Map of specific collection sites

Start a Discussion of Oligophlebodes sierra

References

  • LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.

Caddisfly Species Oligophlebodes sierra (Little Western Dark Sedges)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Thremmatidae
  6. » Genus Oligophlebodes (Little Western Dark Sedges)
  7. » Species sierra (Little Western Dark Sedges)
Species Range
Map of specific collection sites
Common Name
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