Formica arcuata Le Guillou, 1842: 315 (w.q.) BORNEO, AUSTRALIA. Indomalaya.

Primary type information: Primary type material: 1 (?) syntype worker, 1 (?) syntype queen. Primary type localities: queen Borneo (no further data) (Voyage Astrolabe et la Zélée), worker northern Australia (no further data) (Voyage Astrolabe et la Zélée). Primary type depository: unknown (perhaps MNHN). Type notes: 1) No indication of number of specimens is given. 2) Kohout, 2008a: 260, says “locality for worker evidently erroneous”, and “types presumed lost”.