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.
Described by Hanson, J.F. (1961) Studies on the Plecoptera of North America: VIII. The identity of the species of Paracapnia. Bulletin of the Brooklyn Entomological Society 56, 25–30.