Formica acuta Fabricius, 1804: 411 (w.) GUYANA (Essequibo). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: South America: (“Habitat in America meridionali Dom. Smidt. Mus. Dom. Lund.”) (no further data). Primary type depository: ZMUC. Type notes: Type locality is given as Guyana, Essequibo by Longino, 2003a: 32.