Formica fervens Smith, 1857a: 55 (w.) BORNEO (East Malaysia: Sarawak). Indomalaya.

Primary type information: Primary type material: holotype (?) worker. Primary type locality: Malaysia: Sarawak, “SAR 34” (A.R. Wallace). Primary type depository: OXUM. Type notes: 1) Donisthorpe, 1932c: 444, cites 1 worker in OXUM. 2) Bolton (unpublished notes) 1978, cites a second worker in OXUM, also labelled SAR and fervens (perhaps a syntype?).