Pseudomyrmex alustratus Ward, 1989a: 409, fig. 13 (w.q.) PERU. Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Peru: Junín, Chanchamayo, Anashirone River, 16.vii.1963, #A47 (C.A. Portocarrero). Primary type depository: MZSP. Secondary type information: Secondary type material: 12 paratype workers, 1 paratype queen. Secondary type locality: 5 paratype workers with same data as holotype, 7 paratype workers, 1 paratype queen with same data as holotype but 22.viii.1963, #73. Secondary type depositories: BMNH, LACM, MCZC, MZSP. Secondary type specimens: MZSP0089806, MZSP0089807. Type notes: Holotype was lost in transit and never arrived at MZSP (Ulysséa et al., 2025: 11).