Strumigenys esrossi Brown, 1957g: 114 (w.q.) PHILIPPINES (Mindoro I.). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Philippines: Mindoro I., San José, iv. 1945 (E.S. Ross). Primary type depository: CASC. Secondary type information: Secondary type material: 22+ paratype workers, 1 paratype queen. Secondary type localities: 20 paratype workers, 1 paratype queen with same data as holotype; “numerous” paratype workers Philippines: Negros Oriental, Dumaguete (D. Empeso) and (W. Chapman), 1 paratype worker Philippines: Luzon, Victoria, 28.xi.19[37?, year number partially illegible] (Pirres), 1 paratype worker Philippines: Jolo I., in Rana microdisca leytensis (no collector’s name). Secondary type depositories: CASC, MCZC, NHMW, USNM.