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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.

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Hydropsyche (Spotted Sedge) Caddisfly Larva Hydropsyche (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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Updates from May 4, 2006

Updates from May 4, 2006

Closeup insects by Troutnut from Salmon Creek in New York

Isoperla (Stripetails and Yellow Stones) Stonefly Adult

Lateral view of a Isoperla (Perlodidae) (Stripetails and Yellow Stones) Stonefly Adult from Salmon Creek in New York

A friend brought me this stonefly to photograph. He found it floating on the surface of a trout stream with its wings in a crippled position.

Collected May 4, 2006 from Salmon Creek in New York

Added by Troutnut on May 22, 2006

Collected May 4, 2006 from Salmon Creek in New York and added by Troutnut on May 22, 2006

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