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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.

A beautiful braided reach of the Sag River, with the Philip Smith Mountains in the Arctic National Wildlife Refuge (ANWR) in the background. From the Sagavanirktok River in Alaska

Stream photos

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Isoperla (Stripetails and Yellow Stones) Stonefly AdultIsoperla (Stripetails and Yellow Stones) Stonefly Adult
Dorsal view of a Isoperla (Perlodidae) (Stripetails and Yellow Stones) 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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Mayfly Genus Metretopus (Pseudo-Gray Drakes)

Where & when

In 34 records from GBIF, adults of this genus have mostly been collected during July (41%), August (26%), June (24%), and September (6%).

In 347 records from GBIF, this genus has been collected at elevations ranging from -30 to 3524 ft, with an average (median) of 988 ft.

Genus Range
Map of specific collection sites

Specimens of the Mayfly Genus Metretopus

1 Nymph
Metretopus (Pseudo-Gray Drake) Mayfly Nymph
1 Picture
Metretopus (Metretopodidae) (Pseudo-Gray Drake) Mayfly Nymph from the Mulchatna River in Alaska
Collected July 14, 2009 from the Mulchatna River in Alaska
Added by Bnewell on June 27, 2011
Collected July 14, 2009 from the Mulchatna River in Alaska and added by Bnewell on June 27, 2011

Start a Discussion of Metretopus

Mayfly Genus Metretopus (Pseudo-Gray Drakes)

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Ephemeroptera (Mayflies)
  5. » Family Metretopodidae (Pseudo-Gray Drakes)
  6. » Genus Metretopus (Pseudo-Gray Drakes)
Species in Metretopus
Metretopus borealis
0
0
Species in Metretopus: Metretopus borealis
1 species (Metretopus alter) isn't included.
Genus Range
Map of specific collection sites
Common Name
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