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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.

The Clark's Fork of the Yellowstone River in Wyoming

Stream photos

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Sweltsa (Sallfly) Stonefly NymphSweltsa (Sallfly) Stonefly Nymph
Dorsal view of a Sweltsa (Chloroperlidae) (Sallfly) Stonefly Nymph from the Yakima River in Washington
This species was fairly abundant in a February sample of the upper Yakima.
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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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Female Baetidae (Blue-Winged Olive) Mayfly Spinner Pictures

This is one of the smallest mayflies I've ever collected, about 3mm long.

Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York
Lateral view of a Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York
Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York
Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York
Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York
Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York
Ventral view of a Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York
Ruler view of a Female Baetidae (Blue-Winged Olive) Mayfly Spinner from the West Branch of Owego Creek in New York The smallest ruler marks are 1 mm.

This mayfly was collected from the West Branch of Owego Creek in New York on August 9th, 2006 and added to Troutnut.com by Troutnut on August 11th, 2006.


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Female Baetidae (Blue-Winged Olive) Mayfly Spinner Pictures

Taxonomy
  1. Kingdom Animalia (Animals)
  2. » Phylum Arthropoda (Arthropods)
  3. » Class Insecta (Insects)
  4. » Order Ephemeroptera (Mayflies)
  5. » Family Baetidae (Blue-Winged Olives)
Collection details
Location: West Branch of Owego Creek, New York
Date: August 9th, 2006
Added to site: August 11th, 2006
Author: Troutnut
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