Nylanderia ambulator Williams et al., 2025: 11, figs. 8-14 (w.q.m.) COSTA RICA. Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Costa Rica: Limón, Res. Biol. Hitoy-Cerere, 9.66644, -83.02266, ±10 m, elev. 200 m, mix of primary and secondary rainforest, ex sifted leaf litter (miniWinkler), 10.vi.2015 (J. T. Longino et al. ADMAC#Wa-E-02-1-14). Primary type depository: USNM. Primary type specimen: USNMENT01131112. Secondary type information: Secondary type material: 6 paratype workers, 1 paratype queen, 2 paratype males. Secondary type localities: 6 paratype workers, 1 paratype queen with same data as holotype; 2 paratype males Costa Rica: Limón, Res. Biol. Hitoy-Cerere, 9.6653, -83.02346, ±10 m, elev. 240 m, mix of primary and secondary rainforest, ex sifted leaf litter (miniWinkler), 10.vi.2015 (coll. J. T. Longino et al. ADMAC#Wa-E-02-2-49). Secondary type depositories: MNCR, USNM. Secondary type specimens: USNMENT01131283, USNMENT01131284, USNMENT01131285, USNMENT01131286, USNMENT01131287, USNMENT01131288, USNMENT01131289, USNMENT01131290, USNMENT01132147.