Smicridea (Rhyacophylax) acuminata Flint 1974
New Record (1 locality). PANAMA — Comarca Ngäbe Buglé: Cuenca 093; Bosque Protector Palo Seco; Quebrada Martinez; 8.79424°N and 82.19047°W; 490 m a.s.l.; 8 October 2019; T. Ríos, Y. Aguirre, leg.; Malaise trap; 1 male, MUPADI-YA-2020-273 .
Distribution. Costa Rica (type country), Ecuador, Panama.
Identification. This species was identified by keys, descriptions, and figures by Flint (1974). A member of the S. peruana Group within the Rhyacophylax subgenus, in Panama it is most closely related to S. (R.) talamanca Flint 1974 . The pointed triangular process on sternum IX and major differences in the aedeagus distinguish this species from S. talamanca .