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.
Doublezz105: I have two keys (Pekarsky et al and Merrit and Cummins) listing Tricorythodes in the tricorythidae family, but Troutnut and Voshell show tricorythodes in the leptohyphidae family. Has tricorythodes been moved to leptohyphidae or vice versa?