Pseudomyrmex nimbus Ward & Branstetter, 2022: 25, figs. 16, 26 (w.q.) COSTA RICA. Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Costa Rica: Alajuela, Río Peñas Blancas, 800 m, 10° 19′ N, 84° 43′ W, ex live stems Inga sapling, wet forest clearing, 22–25.v.1990, JTL2694 (J. Longino). Primary type depository: MUCR. Primary type specimen: CASENT0863541. Secondary type information: Secondary type material: paratype workers (number not stated). Secondary type locality: same as for holotype. Secondary type depositories: CASC, JTLC, LACM, MCZC, PSWC, UCDC, UNAM, USNM.