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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.

Middle Fork Snoqualmie From the Middle Fork Snoqualmie River in Washington

Stream photos

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Coleoptera (Beetle) Insect LarvaColeoptera (Beetle) Insect Larva
Lateral view of a Coleoptera (Beetle) Insect Larva from Sears Creek in Washington
6 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.

Baetis bicaudatus (BWO) Mayfly Nymph Pictures

Under the microscope, this one clearly has hind wingpads.

Ventral view of a Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Chatter Creek in Washington
Dorsal view of a Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Chatter Creek in Washington
Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Chatter Creek in Washington
Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Chatter Creek in Washington
Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Chatter Creek in Washington
Ruler view of a Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Chatter Creek in Washington The smallest ruler marks are 1 mm.
Baetis bicaudatus (Baetidae) (BWO) Mayfly Nymph from Chatter Creek in Washington

This mayfly was collected from Chatter Creek in Washington on June 3rd, 2022 and added to Troutnut.com by Troutnut on June 4th, 2022.


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Baetis bicaudatus (BWO) Mayfly Nymph Pictures

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Ephemeroptera (Mayflies)
  5. » Family Baetidae (Blue-Winged Olives)
  6. » Genus Baetis (Blue-Winged Olives)
  7. » Species bicaudatus (BWOs)
Collection details
Location: Chatter Creek, Washington
Date: June 3rd, 2022
Added to site: June 4th, 2022
Author: Troutnut
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