Reference
Bill P. Stark, Boris C. Kondratieff (2012): Epiproct and dorsal process structure in the Allocapnia forbesi Frison, A. pygmaea (Burmeister), and A. rickeri Frison species groups (Plecoptera: Capniidae), and inclusion of
A. minima (Newport) in a new species group. – Illiesia – 08: 45 - 77.