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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.

Waterfalls over smooth bedrock above Titcomb Lakes From Titcomb Basin in Wyoming

Stream photos

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Doroneuria baumanni (Golden Stone) Stonefly NymphDoroneuria baumanni (Golden Stone) Stonefly Nymph
Dorsal view of a Doroneuria baumanni (Perlidae) (Golden Stone) Stonefly Nymph from Sears Creek in Washington
9 Recently Added Photos
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.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Stonefly Genus Paragnetina (Golden Stones)

Paragnetina media is an important species in both the East and the Midwest, and Paragnetina immarginata is important in the East.

Where & when

In 67 records from GBIF, adults of this genus have mostly been collected during June (33%), July (24%), May (21%), August (9%), and April (6%).

In 10 records from GBIF, this genus has been collected at elevations ranging from 600 to 3802 ft, with an average (median) of 1148 ft.

Genus Range
Map of specific collection sites

Identification

To determine whether a specimen of Perlidae belongs to Paragnetina, use the Key to Genera of Perlidae Nymphs.

Specimens of the Stonefly Genus Paragnetina

1 Male Adult
Male Paragnetina immarginata (Beautiful Stonefly) Stonefly Adult
9 Pictures
Lateral view of a Male Paragnetina immarginata (Perlidae) (Beautiful Stonefly) Stonefly Adult from Brodhead Creek in Pennsylvania
Added by Troutnut on June 4, 2007
Collected May 28, 2007 from Brodhead Creek in Pennsylvania and added by Troutnut on June 4, 2007
2 Female Adults
3 Nymphs

Start a Discussion of Paragnetina

Stonefly Genus Paragnetina (Golden Stones)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Plecoptera (Stoneflies)
  5. » Family Perlidae (Golden Stones)
  6. » Genus Paragnetina (Golden Stones)
Species in Paragnetina
Paragnetina immarginataBeautiful Stoneflies
1
9
Paragnetina mediaEmbossed Stoneflies
4
27
Species in Paragnetina: Paragnetina immarginata, Paragnetina media
3 species (Paragnetina fumosa, Paragnetina ichusa, and Paragnetina kansensis) aren't included.
Genus Range
Map of specific collection sites
Common Names
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