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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.

Silver Creek in Idaho

Stream photos

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Hydropsyche (Spotted Sedge) Caddisfly LarvaHydropsyche (Spotted Sedge) Caddisfly Larva
Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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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 Hydropsyche betteni (Spotted Sedges)

Where & when

Time of year : Late May through August

This species is important in the East.

In 122 records from GBIF, adults of this species have mostly been collected during June (24%), July (24%), May (18%), August (17%), and April (10%).

In 123 records from GBIF, this species has been collected at elevations ranging from 10 to 5748 ft, with an average (median) of 948 ft.

Species Range
Map of specific collection sites

Start a Discussion of Hydropsyche betteni

References

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

Caddisfly Species Hydropsyche betteni (Spotted Sedges)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Trichoptera (Caddisflies)
  5. » Family Hydropsychidae
  6. » Genus Hydropsyche (Spotted Sedges)
  7. » Species betteni (Spotted Sedges)
Species Range
Map of specific collection sites
Common Name
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