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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

This view of the pipeline, the Atigun River, and an impressive sunset/rise was one of my first views of the North Slope as I came through Atigun Pass in the middle of the night. From the Atigun River in Alaska

Stream photos

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Lateral view of a Female Skwala (Perlodidae) (Large Springfly) Stonefly Adult 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 Limnephilus indivisus (Summer Flier Sedges)

Where & when

Time of year : Late summer and early fall

This species is most abundant in the East and Midwest, especially the Northeast, and is found on rare occasion in the Northwest.

In 95 records from GBIF, adults of this species have mostly been collected during August (28%), June (26%), July (24%), and September (15%).

In 36 records from GBIF, this species has been collected at elevations ranging from 16 to 9456 ft, with an average (median) of 1401 ft.

Species Range
Map of specific collection sites

Larva & pupa biology

Current speed: Still or slow

Shelter type: Case of flat little pieces of wood or bark


Start a Discussion of Limnephilus indivisus

References

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

Caddisfly Species Limnephilus indivisus (Summer Flier Sedges)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Limnephilidae (Giant Sedges)
  6. » Genus Limnephilus (Summer Flier Sedges)
  7. » Species indivisus (Summer Flier Sedges)
Species Range
Map of specific collection sites
Common Names
Resources
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