New species are described of Cyrtinus LeConte, 1852: C. hispidus sp. nov. from Ecuador (Pichincha); C. bifasciatus sp. nov. from Panama (Colon) and from Costa Rica, C. umbus sp. nov. (Guanacaste) and C. melzeri sp. nov. (Cartago). Occurrence and illustration of C. penicillatus (Bates, 1885) are added.
Cyrtinus; new species; taxonomy