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.
Featured on the forum
This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.
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.
Definition of 'aperture'
Definition of 'aperture'
Aperture: The aperture is one of the main settings a camera or photographer determines before taking a picture. It is the diameter of the opening in the inside of the lens through which light can pass, and it varies from picture to picture.
This other word references the same concept: apertures.
This other word references the same concept: apertures.