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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

A small, old rock wing dam has created an excellent riffle and pool in this classic trout stream.

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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Stonefly Genus Neoperla (Golden Stones)

Where & when

In 44 records from GBIF, adults of this genus have mostly been collected during June (55%), July (20%), and August (20%).

In 4 records from GBIF, this genus has been collected at elevations of 2625, 4183, 5085, and 7349 ft.

Genus Range
Map of specific collection sites

Identification

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


Start a Discussion of Neoperla

Stonefly Genus Neoperla (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 Neoperla (Golden Stones)
Species in Neoperla
Neoperla coosaCoosa Stone
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Neoperla stewartiMultispine Stone
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Species in Neoperla: Neoperla coosa, Neoperla stewarti
13 species (Neoperla carlsoni, Neoperla catharae, Neoperla choctaw, Neoperla clymene, Neoperla coxi, Neoperla falayah, Neoperla gaufini, Neoperla harpi, Neoperla harrisi, Neoperla mainensis, Neoperla occipitalis, Neoperla osage, and Neoperla robisoni) aren't included.
Genus Range
Map of specific collection sites
Common Names
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