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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.

Mystery Creek # 256 in Idaho

Stream photos

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Sweltsa (Sallfly) Stonefly NymphSweltsa (Sallfly) Stonefly Nymph
Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
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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 Genus Nemotaulius (Northern Caddisflies)

Where & when

In 91 records from GBIF, adults of this genus have mostly been collected during June (27%), August (26%), May (20%), July (20%), and September (5%).

In 16 records from GBIF, this genus has been collected at elevations ranging from 10 to 10499 ft, with an average (median) of 2133 ft.

Genus Range
Map of specific collection sites

Specimens of the Caddisfly Genus Nemotaulius

1 Male Adult
Male Nemotaulius hostilis (Northern Caddisfly) Caddisfly Adult
15 Pictures
Male Nemotaulius hostilis (Limnephilidae) (Northern Caddisfly) Caddisfly Adult from the Teal River in Wisconsin
Collected June 6, 2021 from the Teal River in Wisconsin
Added by Troutnut on June 8, 2021
Collected June 6, 2021 from the Teal River in Wisconsin and added by Troutnut on June 8, 2021

Start a Discussion of Nemotaulius

Caddisfly Genus Nemotaulius (Northern Caddisflies)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Limnephilidae (Giant Sedges)
  6. » Genus Nemotaulius (Northern Caddisflies)
Species in Nemotaulius
Nemotaulius hostilis
1
15
Species in Nemotaulius: Nemotaulius hostilis
Genus Range
Map of specific collection sites
Common Name
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