Three new species of the genus PsalmopoeusPocock, 1895 are described from Central America: P. copanensissp. nov. from Honduras, P. sandersonisp. nov. from Belize, and P. petenensissp. nov. from Guatemala. The taxonomic placement of other species within the Reduncus Group is addressed: P. intermediusChamberlin, 1940 is redescribed and its type locality discussed, P. reduncus (Karsch, 1880) is redescribed from a lectotype and paralectotype designated herein, P. mayaWitt, 1996 is considered a species inquirenda based on the type series being absent from its stated repository, and additional morphological data for P. victoriMendoza, 2014 is detailed to complement the original description. Furthermore, a morphometric methodology for evaluation of female spermathecae is presented and its use in species delineation discussed.